A: No. You must perform a clean installation. The upgrade path is broken due to the removed components.
A: Xtreme LiteOS removes the WLAN AutoConfig service by default (for privacy). Enable it via services.msc → WLAN AutoConfig → Startup Type: Automatic → Start. xtreme liteos 8.1
| Feature | Xtreme LiteOS 8.1 | Tiny10 (by NTDev) | Ghost Spectre 10 | | :--- | :--- | :--- | :--- | | Base OS | Windows 8.1 | Windows 10 LTSC | Windows 10 Pro | | RAM Idle | ~550 MB | ~800 MB | ~1.2 GB | | Update support | Manual (risky) | Disabled | Partial (Windows Update retained) | | Gaming focus | High (DX9 optimized) | Medium | High (but heavier) | | UWP removal | Complete | Partial | Partial | | Community size | Medium | Very Large | Medium | A: Xtreme LiteOS removes the WLAN AutoConfig service
A: Some versions do, but the most stable ones require Legacy BIOS and MBR partitions. Check the release notes. Check the release notes