Once Unity Pro 131 is running, you must configure it to mimic a "Full" production environment.
Unity Pro (now part of EcoStruxure Control Expert) provides a documentation tool that allows you to generate a full report of your PLC project, including configuration, variables, and logic. Downloading Unity Pro 13.1
Unity Pro 13.1 is industrial software from Schneider Electric. You can find the Complete Documentation and Hotfixes (v1.31) on the Schneider Electric website. Note that while documentation is freely accessible, the full software typically requires a commercial license. Developing a Project Report
To develop a report for your application within the software, follow these steps according to Schneider Electric Support:
Select Report Content: In the Project Browser, double-click the Documentation folder. Right-click on any element (e.g., Variables, Program, Configuration) and select "Include Heading" to add it to the report. A red asterisk will appear next to selected items.
Configure Layout: Go to the Edit menu and select Printout Setup. Here, you can customize the header, footer, project name, and comments for your report.
Generate/Export: Select View > Print. You can choose a physical printer or select a PDF printer to generate a digital version of your project report.
Advanced Reporting (IEC61850): If your report involves communication services, you may need to use the IEDCT tool to configure Report Control Blocks (RCB), which manage data changes and monitoring for external clients.
Title Page
Unity Pro 13.1 Download Full: A Comprehensive Review and Guide
Abstract
Unity Pro 13.1 is a powerful game engine that has been widely used in the game development industry. With its latest version, Unity Pro 13.1, developers can create high-quality 2D and 3D games, simulations, and interactive experiences. In this paper, we will review the features and benefits of Unity Pro 13.1 and provide a step-by-step guide on how to download the full version.
Introduction
Unity is a popular game engine that has been widely used in the game development industry. It provides a powerful and flexible platform for creating 2D and 3D games, simulations, and interactive experiences. With its user-friendly interface and vast array of features, Unity has become a favorite among game developers, architects, and engineers. The latest version, Unity Pro 13.1, offers a range of new features and improvements that make it an attractive choice for developers.
Features of Unity Pro 13.1
Unity Pro 13.1 offers a range of features that make it a powerful game engine. Some of the key features include:
Benefits of Unity Pro 13.1
Unity Pro 13.1 offers a range of benefits to developers, including:
Downloading Unity Pro 13.1 Full Version
To download the full version of Unity Pro 13.1, follow these steps:
Conclusion
Unity Pro 13.1 is a powerful game engine that offers a range of features and benefits to developers. With its improved graphics, enhanced physics, and advanced animation capabilities, Unity Pro 13.1 is an attractive choice for developers looking to create high-quality games and interactive experiences. By following the steps outlined in this paper, developers can download the full version of Unity Pro 13.1 and start creating their own games and interactive experiences.
Recommendations
Limitations and Future Research
While Unity Pro 13.1 is a powerful game engine, there are some limitations and areas for future research, including:
References
The search for "Unity Pro 13.1 download full" typically refers to the Schneider Electric Unity Pro XL v13.1 (now known as EcoStruxure Control Expert), which is industrial PLC programming software. Note that "Unity Pro" also refers to a paid version of the Unity game engine, but version "13.1" specifically identifies the Schneider Electric product. Official Download and Documentation
While v13.1 is a legacy version, you can still find official documentation and resources from Schneider Electric:
Official User Guide: The complete English documentation for Unity Pro 13.1 is available on the Schneider Electric website.
Product Evolution: Unity Pro has been rebranded as EcoStruxure Control Expert. Version 13.1 licenses typically do not work with newer rebranded versions without an upgrade. System Requirements
To run Unity Pro XL v13.1 effectively, your PC should meet these specifications:
Operating System: Windows 7 (32/64-bit), Windows 10 (32/64-bit), or Windows Server 2012 R2. Processor: 2.4 GHz minimum (3.0 GHz recommended). RAM: 2 GB minimum (4 GB recommended). Storage: 8 GB free space minimum (20 GB recommended).
Prerequisites: Microsoft .NET 3.5 and .NET 4.5.2 must be installed and enabled. Installation & Registration
Official installation usually requires an activation key or a physical USB dongle.
Registration: You can authorize the software through the Schneider Electric Registration Tool found in your Start menu after installation.
Support: For legitimate academic use, some organizations provide downloads via the Academic Software Helpcenter, which includes ISO and patch files. What are the System requirements for Unity Pro V13?
Downloading Unity Pro 13.1 (Schneider Electric) Unity Pro v13.1 is the final version of Schneider Electric's flagship PLC programming software before it was rebranded as EcoStruxure™ Control Expert in 2019. This version is widely used for configuring and programming Modicon M340, M580, Premium, and Quantum controllers. Official Download and Updates
You can find official documentation and various hotfixes for Unity Pro v13.1 directly on the Schneider Electric Global Download Center.
Complete Documentation: Access the Unity Pro 13.1 User Guide for full technical specs.
Hotfixes: Recent critical updates like UnityPro_V131_HF0487772R are available to resolve sporadic issues with antivirus software and project uploads.
Registration: Upon installation, the software will prompt you to enter an activation code to complete the registration process. System Requirements & Compatibility
Unity Pro v13.1 was designed for professional industrial environments and supports the following configurations:
Operating Systems: Windows 7 (32/64 bit), Windows 10 (32/64 bit), and Windows Server 2016.
Hardware Support: Compatible with Modicon M580 (firmware up to v2.90) and M340 (firmware up to v3.70).
Legacy Migration: Includes tools to convert applications from older software like PL7 and Concept. Rebranding: Transition to Control Expert
EcoStruxure Control Expert Software | Schneider Electric USA
EcoStruxure Control Expert Software | Schneider Electric USA. USA. USA. Our Brands. My Documents. Add to favorite. Schneider Electric
Unity Pro v13.1, released by Schneider Electric in March 2019, was the final version before the software was rebranded as EcoStruxure Control Expert unity pro 131 download full
(starting with v14.0). It is the development environment for Modicon M340, M580, Premium, Momentum, and Quantum controllers. Overview of Unity Pro v13.1 Rebranding Context
: Version 13.1 marks the transition point to the EcoStruxure architecture. While it is technically the same platform as its successor, v14.0 introduced a significant shift in licensing architecture.
: The software is typically available in three main packages: : For entry-level Modicon controllers. : For mid-range industrial applications. XLarge (XL)
: For high-end Modicon M580 and Quantum safety applications. Schneider Electric Community System Requirements According to the Schneider Electric FAQ , the minimum and recommended specs for v13.1 are: Operating System
: Windows 7 Pro (32/64-bit), Windows 10 (32/64-bit), or Windows Server 2012 R2. : 2.4 GHz Pentium (3.2 GHz recommended for Server). : 2 GB minimum (4 GB recommended; 16 GB for Server). : 8 GB free space minimum (20 GB recommended). Dependencies : Requires .NET 3.5 and .NET 4.5.2. Schneider Electric Installation & Activation Official downloads and documentation are hosted on the Schneider Electric Global Download Center Download Unity Pro XL Software Guide | PDF - Scribd
Unity Pro (now Control Expert) is a multi-tasking platform designed to increase design productivity for a wide range of Modicon controllers.
Supported Hardware: It is compatible with Modicon M340, M580, M580 Safety, Momentum, Premium, and Quantum applications. Key Features:
Full development of applications including online updates and simulation with comprehensive debugging.
Support for multiple languages including English, French, German, Spanish, Italian, and Chinese.
Conversion tools for migrating legacy programs to modern PAC platforms.
Integrated operator screens for building local monitoring interfaces. Version 13.1 Technical Specifications
Version 13.1 was a significant release before the full transition to the "EcoStruxure Control Expert" branding for later versions (like v14 and v15).
OS Compatibility: Supports Windows 7 Pro (32/64-bit), Windows 10 (32/64-bit), Windows 11 (64-bit), and Windows Server 2012 R2. Hardware Requirements: Processor: Minimum 2.4 GHz Pentium (3.0 GHz recommended). RAM: Minimum 2 GB (4 GB recommended). Storage: Minimum 8 GB free HDD space (20 GB recommended).
Prerequisites: Requires .NET 3.5 and .NET 4.5.2 for installation. Official Download & Activation
Schneider Electric provides official downloads for software and documentation through its global support portal.
Official Documentation: Users can access the full Unity Pro 13.1 EN User Guide for detailed technical instructions.
Purchasing & Licenses: Commercial versions (XL, Large, etc.) typically require a single station license and may be provided as a physical complete software pack or via digital download from authorized distributors like eCrater.
Installation: Official installations often utilize an ISO file found within a downloaded ZIP, followed by activation using a provided USB flash drive or digital license key. Transition to EcoStruxure Control Expert
Starting with firmware version 14.0, Unity Pro was officially renamed to EcoStruxure Control Expert.
Compatibility: Version 13.1 remains compatible with older management tools like versiondog (v7.0 and up).
Support: While commercial sales of older versions eventually end, Schneider Electric typically provides after-sales service (repairs and spare parts) for several years beyond the end-of-sale date. Unity Pro 13.1_EN - Complete Documentation
Unity Pro 13.1_EN - Complete Documentation * Date: Mar 11 2019. * Type: User guide. * Languages: English. * Version: 13.1. Schneider Electric
EcoStruxure Control Expert Software | Schneider Electric USA
Searching for Unity Pro 13.1 can lead to confusion because the name is used for two very different pieces of software: Schneider Electric's industrial automation tool and the Unity game engine.
If you are looking for the industrial PLC programming software, Unity Pro v13.1 has been rebranded as EcoStruxure Control Expert. For game developers, Unity Pro is the professional-tier subscription for the popular 3D engine. 1. Schneider Electric Unity Pro 13.1 (Industrial Software)
Unity Pro v13.1 is the final major release before Schneider Electric transitioned the product line to EcoStruxure Control Expert. It is widely used to program Modicon PLCs, including the M340, M580, and Quantum families. Get Unity Pro: 2D and 3D Development Platform
Unity Pro 13.1 Download Full: A Comprehensive Report
Introduction
Unity is a popular cross-platform game engine that allows developers to create 2D and 3D games, simulations, and interactive experiences. Unity Pro is a professional version of the engine, offering advanced features and tools for game development, architecture, and engineering. In this report, we will discuss Unity Pro 13.1, its features, and the process of downloading the full version.
Unity Pro 13.1 Overview
Unity Pro 13.1 is a significant update to the Unity engine, offering a wide range of new features, improvements, and bug fixes. Some of the key features of Unity Pro 13.1 include:
Downloading Unity Pro 13.1 Full Version
To download the full version of Unity Pro 13.1, follow these steps:
System Requirements
Before downloading Unity Pro 13.1, ensure your system meets the minimum requirements:
License and Cost
Unity Pro 13.1 requires a valid license to use. The cost of Unity Pro depends on your needs:
Conclusion
Unity Pro 13.1 is a powerful game engine that offers a wide range of tools and features for game development, architecture, and engineering. The update includes significant improvements to graphics performance, physics, animation, and VR/AR support. By following the steps outlined in this report, you can download the full version of Unity Pro 13.1 and start creating your own interactive experiences.
"Unity Pro 13.1" refers to a specific version of Schneider Electric’s PLC programming software, now known as EcoStruxure Control Expert . It is distinct from the Unity game engine. Official Documentation and Support
If you are looking for technical details, Schneider Electric provides extensive documentation for this specific version: Complete Documentation : You can access the official Unity Pro 13.1 EN User Guide on the Schneider Electric website. System Manuals : Detailed information on System Bits and Words Control Block Libraries are available for reference. Conversion Tools : For users migrating from older systems, the Concept Application Converter User Manual
outlines how to transition ASCII files into Unity Pro formats. Download and Licensing
For the "full" software download, it is critical to use authorized channels to ensure system safety and legal compliance: Official Downloads : Schneider Electric typically hosts software updates and hotfixes for V13.1 directly on their support portal. Safety Warning : Always use Schneider Electric approved software
. Using unverified or "cracked" versions can result in equipment damage or safety risks. Modern Version
: Unity Pro has been rebranded. New users may need to look for EcoStruxure Control Expert
to receive the latest security updates and hardware support. Key Features of Unity Pro 13.1 Unity Application Generator (UAG)
Unity Pro 13.1: Unlocking Advanced Game Development and 3D Modeling Capabilities Once Unity Pro 131 is running, you must
The world of game development and 3D modeling has witnessed significant advancements over the years, with various software solutions emerging to cater to the needs of developers, designers, and artists. One such powerful tool that has gained immense popularity is Unity, a game engine that has revolutionized the way games are created, simulations are developed, and 3D content is produced. Specifically, Unity Pro 13.1 stands out as a comprehensive solution that offers a wide array of features and tools designed to streamline the development process, enhance productivity, and enable the creation of high-quality, visually stunning content.
Introduction to Unity Pro 13.1
Unity Pro 13.1 is a professional-grade version of the Unity game engine, offering advanced features and capabilities that cater to the needs of professional developers, studios, and enterprises. This version builds upon the foundation laid by its predecessors, incorporating user feedback, and introducing new tools and improvements that address the evolving demands of game development, architectural visualization, product design, and more.
Key Features of Unity Pro 13.1
Downloading and Installing Unity Pro 13.1
For those interested in leveraging the capabilities of Unity Pro 13.1, the process of downloading and installing the software is straightforward.
Conclusion
Unity Pro 13.1 represents a significant milestone in the evolution of game engines and 3D content creation tools. Its comprehensive set of features, advanced graphics capabilities, and streamlined workflow make it an indispensable tool for developers and artists aiming to push the boundaries of what is possible in game development, simulation, and 3D modeling. Whether you're a seasoned professional or an aspiring developer, Unity Pro 13.1 offers the tools and resources necessary to bring your creative visions to life.
Unity Pro 13.1 Download Full: Get Ready to Revolutionize Your Game Development
Unity Pro 13.1 is a powerful game engine that has been widely used by game developers, architects, and engineers to create stunning 2D and 3D games, simulations, and interactive experiences. With its latest version, Unity Pro 13.1, developers can now take advantage of new features, improvements, and tools to enhance their game development workflow.
Key Features of Unity Pro 13.1:
Benefits of Using Unity Pro 13.1:
System Requirements for Unity Pro 13.1:
How to Download Unity Pro 13.1 Full:
To download Unity Pro 13.1 full version, follow these steps:
Conclusion:
Unity Pro 13.1 is a powerful game engine that offers a wide range of tools, features, and improvements to enhance your game development workflow. With its improved graphics performance, advanced animation tools, and enhanced physics engine, Unity Pro 13.1 is the perfect choice for game developers, architects, and engineers. Download Unity Pro 13.1 full version today and start creating stunning 2D and 3D games, simulations, and interactive experiences.
Unity Pro v13.1 (now known as EcoStruxure Control Expert ) is a comprehensive IEC programming software developed by Schneider Electric for Modicon PACs (Programmable Automation Controllers). Version 13.1 was released around August 2018 and is the final version before the platform was rebranded to EcoStruxure Control Expert v14.0. How to Download
To obtain the full software, it is recommended to use official Schneider Electric channels to ensure security and proper licensing: Official Product Page : The software can be downloaded from the EcoStruxure Control Expert (formerly Unity Pro) section on the Schneider Electric website. Complete Documentation
: Official user guides and technical documentation for version 13.1 can be found on the Schneider Electric Global Support License Activation
: Full versions typically require a single-station license and may come with an activation USB or a digital activation code. System Requirements for v13.1
The software is designed for industrial Windows environments. Minimum and recommended specs include: Operating Systems
: Qualified for Windows 10 (32/64-bit), Windows 7 Professional (SP1 required), and Windows Server 2012 R2.
: Minimum Pentium 2.4 GHz; 3.0 GHz or higher is recommended. : 2GB minimum; 4GB or more is recommended. Hard Disk Space : Minimum 8GB free; 20GB recommended. Required Frameworks : Must have .NET 4.5.2 installed and enabled. Key Features Why are there different Control Expert sizes?
Unity Pro 2019.4.31f1 Download Full Version
Unity Pro is a popular game engine used by millions of developers around the world to create 2D and 3D games, simulations, and interactive experiences. The latest version, Unity Pro 2019.4.31f1, offers a wide range of features and improvements to help you take your projects to the next level.
Key Features of Unity Pro 2019.4.31f1:
Benefits of Using Unity Pro:
System Requirements:
How to Download Unity Pro 2019.4.31f1:
Important Note: Please be aware that Unity Pro is a commercial product, and you should only download it from authorized sources. Additionally, make sure to review the terms and conditions of use before installing the software.
Conclusion: Unity Pro 2019.4.31f1 is a powerful game engine that offers a wide range of features and improvements. With its cross-platform support, large community, and extensive documentation, it's an ideal choice for developers of all levels. Download Unity Pro 2019.4.31f1 today and start creating your next project!
The Evolution of Unity: A Game Engine for the Ages
In the world of game development, there are few names as synonymous with innovation and accessibility as Unity. Since its inception in 2005, Unity has grown from a humble beginnings to become one of the most widely used game engines in the industry. With the release of Unity Pro 131, the latest version of this powerful tool, developers are eager to get their hands on the full download. But what makes Unity so special, and how has it become the go-to choice for creators around the world?
A Humble Beginning
Unity was first introduced in 2005 by Niclas Thielin and Jan Jonsson, two Swedish developers who sought to create a game engine that was both powerful and accessible to a wide range of developers. Initially called "Overloaded," the engine was later renamed to Unity and was first released as a free, open-source tool. From the start, Unity's focus was on cross-platform development, allowing creators to deploy their games on multiple platforms, including Windows, macOS, iOS, and Android.
The Rise to Prominence
Over the years, Unity has undergone significant transformations, with major updates and feature additions that have helped shape the game engine into what it is today. In 2010, Unity introduced its Pro version, which offered additional features and support for larger, more complex projects. This move marked a significant shift towards monetization, with Unity Pro becoming a popular choice among professional developers.
The introduction of Unity 4 in 2013 marked a major milestone, with the addition of new features such as PhysX physics, dynamic global illumination, and a revamped editor interface. This version solidified Unity's position as a leading game engine, and it has continued to evolve with major updates, including Unity 5, 6, and the latest, Unity 2019.
What Makes Unity Pro 131 Special?
So, what can you expect from Unity Pro 131, the latest version of this powerful game engine? With a focus on performance, stability, and feature additions, Unity Pro 131 offers a range of tools and improvements that make it an attractive choice for developers. Some of the key features include:
The Benefits of Unity Pro 131
For developers, Unity Pro 131 offers a range of benefits that make it an attractive choice. Some of the key advantages include:
Conclusion
Unity Pro 131 represents the latest chapter in the evolution of this powerful game engine. With its focus on performance, stability, and feature additions, it's no wonder that Unity remains the go-to choice for developers around the world. Whether you're a seasoned pro or just starting out, Unity Pro 131 offers a range of tools and features that make it an attractive choice for anyone looking to create engaging, interactive experiences. So, if you're interested in downloading Unity Pro 131 full version, you're in good company – join the millions of developers who have already discovered the power of Unity.
Based on current search results, "Unity Pro 131 download full" does not appear to be a legitimate version of the Unity game engine. The official Unity versions typically follow a format like Unity 2022.3 (LTS) or Unity 6.
There is a possibility this refers to a specific piece of industrial software or a mislabeled third-party asset. Below is a breakdown of how "Unity Pro" is reviewed and used in different contexts. Official Unity Pro (Game Engine) Benefits of Unity Pro 13
Unity Pro is the professional tier of the Unity game engine, aimed at studios and individual developers with higher revenue.
Target Audience: Required for businesses with revenue or funding between $200,000 and $25 million. Key Features: Unlocks professional tools for cross-platform development.
Provides access to closed platforms (consoles) and priority support. Removes the "Made with Unity" splash screen. Reviews & Sentiment:
Industrial Users: Some users have expressed frustration over "Industry" licensing, noting that Unity can be one of the most expensive software subscriptions for small startups, sometimes exceeding the cost of engineering software like SolidWorks.
Performance: Users recommend at least 16GB to 32GB of RAM for smooth operation, as the editor alone can consume significant memory.
Official Downloads: You can download official versions and manage licenses through the Unity Hub. Potential Technical Confusion (Unity Pro 131)
If you are looking for "Unity Pro 131" specifically, it may refer to:
Schneider Electric Unity Pro: This is a common automation and PLC programming software (now often called EcoStruxure Control Expert). Version numbers for this software frequently appear in industrial downloads.
CS43131 Audio Chip: In audio reviews, the CS43131 is a high-performance DAC (Digital-to-Analog Converter) found in many headphone dongles, which are sometimes reviewed for "unity gain" performance.
Asset Store Packages: The "131" might refer to a specific asset or version of a package like the Ultimate Character Controller, which has many version updates (e.g., 3.3.x). Important Safety Warning
Searching for "download full" often leads to "cracked" or pirated software sites. These downloads frequently contain malware or ransomware. For Unity specifically, a "full download" is not necessary for most users as the Unity Personal license is completely free for those earning under $200k/year.
Practical Realities of Industrial Licensing for Unity (All Licenses)
If you are looking for Schneider Electric Unity Pro 13.1 (Industrial Automation), it is not a free download. It is licensed software.
Documentation: You can find the user guide and technical documentation for Unity Pro 13.1 on the official Schneider Electric website.
Access: It requires a corporate Schneider Electric account to download. 2. Unity Pro (Game Engine/Development)
If you are looking for the modern Unity Pro game development platform, it is available through the official Unity website. Steps to Download & Install:
Download Unity Hub: Install Unity Hub to manage engine versions. Create Unity ID: Sign up for an account.
Upgrade to Pro: Within the Unity Hub or Website, you can upgrade your account to Unity Pro to get full licensing.
Install Editor: Use the Hub to download the latest Long Term Support (LTS) version of Unity for the best stability. 3. Creating a Post-Processing Effect (Example: Bloom)
If you meant to ask how to "create a post" (post-processing effect) in the Unity Engine, here is a quick guide for the Built-in Render Pipeline:
Install Package: Go to Window > Package Manager and install Post-Processing.
Create Volume: In the Hierarchy, right-click and select Create Empty. Name it "PostProcessing".
Add Component: Select the object and add the Post-process Volume component.
Create Profile: Click "New" in the Profile field of the component.
Add Effects: Click "Add effect" to add Bloom, Color Grading, etc.
Setup Camera: Add Post-process Layer component to your Main Camera and set the layer to match your volume.
To give you the most accurate help, could you please clarify:
The request for a "Unity Pro 13.1 download full" typically refers to EcoStruxure Control Expert (formerly known as Unity Pro), which is professional automation software from Schneider Electric. Unity Pro 13.1 (Schneider Electric) Overview
Unity Pro 13.1 is a common platform for programming Modicon M340, M580, Premium, and Quantum PLCs. While newer versions (like v16.0) have replaced it under the EcoStruxure name, version 13.1 remains in use for legacy system maintenance. How to Access and Download
Schneider Electric typically provides software through their official Exchange Portal or direct product pages.
Official Documentation: You can find the Complete Documentation for Unity Pro 13.1 on the Schneider Electric website.
Trial & Full Versions: Full downloads generally require a registered account and a valid license serial number. If you have a license, you can often download the ISO through the Schneider Electric License Manager.
Conversion Tools: For those migrating older systems, manuals for the Concept Application Converter are also available to help move legacy logic into Unity Pro. Important Note on "Unity" Software
It is common to confuse Schneider Electric Unity Pro with the Unity Game Engine.
If you are looking for the game engine, the "Pro" version is a subscription tier available via the Unity Store.
If you need to install Post-Processing for the Unity Game Engine, you should use the Package Manager within the Unity Editor (Window > Package Manager) rather than searching for an external installer.
Warning: Be cautious of third-party "full download" or "crack" sites. These often contain malware and violate software licensing agreements. Always use Schneider Electric's official channels for automation software. Unity Pro 13.1_EN - Complete Documentation
UnityPro_EN. Unity Pro 13.1_EN - Complete Documentation. Date: 11 Mar 2019. Type: User guide. Languages: English. Version: 13.1. Schneider Electric Unity Pro - Concept Application Converter - Luckins
Running the installer is straightforward, but there are pitfalls.
C:\Program Files\Unity\Editor) to avoid scripting path errors.After installation, you open Unity and are greeted with a "License Management" window. Here is where the "Pro" part of "Unity Pro 131 download full" gets tricky.
Option A: You own a legacy Pro serial key (5.x era).
Option B: You want "Pro" features for free (Personal Edition).
Option C: The "Offline Activation" (For Air-gapped computers). If you are downloading "Full" for a studio computer without internet:
When users search for "Unity Pro 131 download full," they often mean two different things:
Important Legal Note: Unity does not sell perpetual "Full" Pro licenses for version 5 anymore. You cannot "crack" the software. However, if you had an active Unity Pro subscription back in 2015, your license key is still valid for that specific version. For everyone else, Unity provides a fallback: the Personal Edition.
Using Unity Hub:
Download "Unity Pro 131 full" if:
Avoid downloading it if:
Cause: You downloaded the Android build component, but Unity 5.1.3 requires API Level 23 (Android 6.0) or lower.
Fix: Download Android SDK command-line tools version r24.4.1. Do not use the latest version.