Windows Pro Phoenix Gamer 21H2 Build 22000.469 LiteOS is a community-modified version of Windows 11 designed to enhance performance on low-end hardware by removing bloatware and bypassing system requirements like TPM 2.0. While offering reduced resource usage and pre-activation, this custom OS carries significant risks, including disabled security features and lack of official support. For discussions on this build, see TenForums . Phoenix windows OS - Windows 10 Forums