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| Layer | Description | |-------|-------------| | | Same core as Windows 10 (NT 10.0). Provides process/thread scheduling, memory manager, I/O manager, and HAL. | | Executive | Object Manager, Security Reference Monitor, RPC Runtime, etc. | | Windows Subsystem for Linux (WSL 2) | Full Linux kernel running in a lightweight VM (Hyper‑V). | | Windows Subsystem for Android (WSA) | Android Open Source Project (AOSP) runtime plus a translation layer (Intel Bridge for x86). |

| Release | Codename / Build | Notable Features | |---------|------------------|-------------------| | | Threshold 1 | Unified PC/tablet platform | | Windows 10 1903 | 19H1 | Light theme, Windows Sandbox | | Windows 11 (21H2) | 10.0.22000 | New UI, TPM 2.0 requirement | | Windows 11 22H2 | 10.0.22621 | Start menu refinements, Snap Layouts, improved Settings | | Windows 11 23H2 (in preview) | 10.0.25951 | Copilot preview, deeper AI integration |