The subject refers to a custom "repack" of Windows 10, specifically Windows 10 Altum Pro , modified by users like and shared on community forums like
No Official Support: These versions do not receive security patches from Microsoft.
Includes pre-configured but not pre-installed software accessible from the desktop, such as (with custom skins). Performance Optimization:
While these builds are popular for their unique look, they carry significant risks: Outdated Security
Legitimate alternatives: Instead of downloading a repackaged or pirated version of Windows 10, I recommend: