Adobe Photoshop Lightroom Classic 2021 V10.4.0 -

Honesty requires addressing what you cannot do in v10.4.0:

If you need any of the above, consider upgrading. But if your work is portrait, product, or landscape photography without heavy AI reliance, you likely won't miss them.

No version is perfect. Before committing to v10.4.0, be aware of these constraints:

If you are looking to install this specific version today (via Creative Cloud’s “previous versions” feature), here are the official requirements.

| Component | Windows | macOS | |-----------|---------|-------| | OS | Windows 10 (64-bit, v2004 or later) | macOS 10.15 (Catalina) or 11 (Big Sur) | | CPU | Intel Core i5 or AMD Ryzen 5 | Intel Core i5 or Apple M1 | | RAM | 8 GB (16 GB recommended) | 8 GB (16 GB recommended) | | GPU | 2 GB VRAM, DirectX 12 | 2 GB VRAM, Metal capable | | Storage | 2 GB free for program + 10 GB for cache | Same | | Display | 1024x768 display | 1024x768 display (Retina supported) |

What is it?
This version (10.4.0) is a specific release from June 2021 of Adobe’s desktop-focused photo editing and management software. Unlike the cloud-based “Lightroom” (formerly Lightroom CC), Lightroom Classic is designed for local storage, folder-based organization, and advanced professional workflows.

Key Features of v10.4.0

System Requirements (for smooth operation)

Common Use Cases

Important Notes & Warnings

Should you use v10.4.0 in 2026?

Pro Tip:
If you have an active subscription, simply update to the latest Lightroom Classic via Creative Cloud Desktop for free. If you are not subscribed, Adobe offers a 7-day trial of the current version – much safer than using an old, unsupported release.

What's New in Lightroom Classic 2021 (v10.4.0):

The latest update to Lightroom Classic brings several new features, improvements, and bug fixes. Here are some of the key highlights:

  • Improved Color Grading: A new color grading toolset has been introduced, providing more intuitive and precise color adjustments.
  • Masking Improvements: The masking tools have been refined, allowing for more precise selections and better edge detection.

    • Key Features of Lightroom Classic 2021:

    If you're new to Lightroom Classic or want a refresher, here are some of the key features:

    System Requirements:

    To run Lightroom Classic 2021 (v10.4.0) smoothly, ensure your system meets these requirements:

    Known Issues and Limitations:

    As with any software update, there might be some known issues or limitations. Check the Adobe support website for the latest information on:

    Overall, Adobe Photoshop Lightroom Classic 2021 (v10.4.0) offers a robust set of tools for photographers to manage, edit, and enhance their images. With its refined performance, new features, and expanded camera support, it's an excellent choice for those invested in the Adobe ecosystem.

    Adobe Photoshop Lightroom Classic 2021 v10.4.0 was a maintenance and support update released on August 16, 2021. As an interim release within the v10 lifecycle, its primary purpose was to expand hardware support and resolve known software issues rather than introduce major new features. Key Updates in v10.4.0

    Support for New Hardware: This version added support for a variety of new cameras and lens profiles.

    Duplicate Collection Sets: A specific enhancement for Lightroom Classic allowed users to duplicate an entire Collection Set, automatically duplicating all individual collections within it at once.

    Nikon Tethered Live View: Tethered capture with Live View support was officially added for the Nikon D750 and Nikon D610. Adobe Photoshop Lightroom Classic 2021 v10.4.0

    Bug Fixes: The update addressed several user-reported issues from previous v10 versions to improve overall stability. Context within the 2021 Roadmap

    Lightroom Classic v10.4.0 served as the final minor update before the major transition to version 11.0 in October 2021, which introduced the revolutionary AI-powered Masking panel.

    Other notable milestones in the 2021 (v10) release cycle included:

    v10.0 (Oct 2020): Introduced Advanced Color Grading and enhanced zooming.

    v10.2 (Mar 2021): Focused on performance improvements and batch editing speed.

    v10.3 (Jun 2021): Added native support for Apple M1 chips and the "Super Resolution" feature. General System Requirements

    For a stable experience on 2021-era versions of Lightroom Classic, Adobe generally recommended: What's New in Lightroom Classic 11 (October 2021 Update)

    Although subtle, the export engine saw improvements: Honesty requires addressing what you cannot do in v10