: It is primarily used by enthusiasts for reviving very old PCs or dedicated gaming machines where absolute performance is prioritized over general-purpose security. How to speed up a Windows 8.1 computer - Microsoft Learn
Unlike the standard Windows 8.1, which requires 1–2 GB of RAM for basic operation, Xtreme LiteOS is optimized for lower idle usage: Idle RAM Usage (32-bit): Approximately 1 GB. Idle RAM Usage (64-bit): Approximately 2 GB. Application Management: xtreme liteos 8.1