Allows Win32 APIs to accept paths longer than MAX_PATH (260 chars). Microsoft-documented; required for many modern dev tools. No downside on Windows 10 1607+.
MaxTweaks applies this tweak with one click and snapshots your original setting first, so you can revert it cleanly at any time. A System Restore point is offered before batch changes, and every tweak links to its official source.
Get MaxTweaksOfficial documentation: https://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation