This specific version refers to a preview release of the final feature update for Windows 10. Specifically, Windows 10 Build 19045.2311 was released as an optional non-security preview (KB5020030) on November 15, 2022. Key Specifications Version: 22H2 (Windows 10 2022 Update) Build: 10.0.19045.2311 Architecture: x64 (64-bit systems)

| Test | Windows 10 21H2 (19044) | Windows 10 22H2 (19045.2311) | Difference | | :--- | :--- | :--- | :--- | | Cinebench R23 (Multi) | 8456 | 8512 | +0.6% (margin of error) | | CrystalDiskMark (Seq Read) | 3450 MB/s | 3442 MB/s | No change | | PC Mark 10 (Essentials) | 10234 | 10289 | +0.5% | | Boot to Desktop (cold) | 18.2 sec | 17.4 sec | -4.4% faster | | Game FPS (Cyberpunk 2077) | 62 fps | 62 fps | Identical |

Windows 10 Home, Pro, Pro Education, Pro for Workstations
Single language (e.g., English) – but you can add any language pack later

Short answer: Probably a typo of build 19045.2311 – a real April 2023 update. But 190452311 with no dot is not an official Microsoft build string.

22h2 Build 190452311 X64 Mult | Windows 10 Pro

Windows 10 Home, Pro, Pro Education, Pro for Workstations
Single language (e.g., English) – but you can add any language pack later

Short answer: Probably a typo of build 19045.2311 – a real April 2023 update. But 190452311 with no dot is not an official Microsoft build string. This specific version refers to a preview release