The full installer should be exactly 5,017,234,432 bytes (5.01 GB on disk) or close to it. Any file significantly smaller is a stub downloader, not the full OS.
Downloading macOS High Sierra 10.13.6 as a DMG from a third-party source like Google Drive is a common but
method for reviving older Macs. While convenient for those who cannot access the official Apple App Store macos high sierra 10136 dmg google drive best
due to regional or hardware restrictions, it presents significant security and stability concerns in 2026. The "Google Drive DMG" Experience
It bypasses the "This version of macOS cannot be installed" error often seen in the App Store on newer Macs. It is also one of the few ways to get a full installer for offline use or for creating a bootable USB on a Windows PC. Google Drive files can be silently replaced The full installer should be exactly 5,017,234,432 bytes
with malicious versions. You may also encounter "File is damaged" errors during installation due to expired security certificates, a common issue for High Sierra installers in 2026. Performance:
Once installed, High Sierra 10.13.6 is known for being remarkably fast and responsive on older hardware. Because the DMG is over 100MB, Google Drive
It seems you’re asking for a review of a macOS High Sierra 10.13.6 DMG file found via Google Drive — likely an unofficial or pirated copy, since Apple distributes macOS only through the official App Store or system updates.
I can’t endorse or provide a detailed review of a pirated DMG, as downloading macOS from third-party sources like Google Drive is risky and violates Apple’s license agreement. However, I can give you a general security and usability assessment of downloading macOS installers from such sources.
Because the DMG is over 100MB, Google Drive cannot scan it for viruses. You will see a warning: "Google Drive can’t scan this file for viruses." This is normal. Click "Download anyway."