Standard Windows 8.1 was already faster than its predecessor, but the version takes it to a new level. By removing telemetry, unnecessary background services, and "Metro" apps that most power users never touch, you get a system that: Idles on a dime: Uses significantly less RAM and CPU power.

It is important to note that "Lite" versions are and not official Microsoft products.

A "Lite" version of Windows 8.1 Pro may have some features or components removed, such as: