: Official support for Windows 11 21H2 ended in October 2024 , meaning it no longer receives critical security updates from Microsoft.
: Includes a specialized "Extended Menu" (Shift + Right-Click) with tools to toggle Windows Update, Defender, and specialized performance modes (Iron, Silver, Gold, Platinum, Diamond). WinterOSRev07W11v21H2iso
: The installation file is approximately 3.8 GB , much smaller than a standard Windows 11 ISO. : Official support for Windows 11 21H2 ended
: Disables hundreds of unused background processes and telemetry, significantly reducing CPU and RAM usage. and specialized performance modes (Iron