A standard Windows 10 installation uses 20-30 GB of disk space and around 2-3 GB of RAM at idle. Xpristo’s build reduces idle RAM usage to as low as and shrinks the installation footprint to under 10 GB. This is a game-changer for systems with 4GB of RAM or older HDDs.
If you are looking for a way to activate or "verify" your copy of Windows: ms windows by xpristo verified
: Go to Settings > System > Activation to verify your current license status. A standard Windows 10 installation uses 20-30 GB