The date is critical — that’s just before Windows 7 Extended Support’s final security updates (Jan 2020) and after Microsoft stopped adding new features.
Despite the performance gains, using an unofficial "Super Slim" edition carries significant trade-offs: Windows 7 Super-Nano Lite : blzos - Internet Archive windows 7 ultimate super slim edition x64 june 2019
Standard Windows 7 Ultimate was designed to be feature-complete, including enterprise tools like BitLocker, multiple language packs, and extensive driver support. However, this "Super Slim" edition aggressively prunes these features. Reduced Footprint The date is critical — that’s just before
: Removing system files (like the WinSxS folder) can cause catastrophic failures when trying to install certain drivers or software that rely on those "bloat" files for compatibility. Critical Security Warning including enterprise tools like BitLocker