Windows 10X x86 .FFU image
Download: Here

Windows Phone 10 x86_64 VHD image

Windows 11 Internal build 21380
Download: HERE.iso

Windows Phone prototype

Soon...

Windows OneCore 🔥🌸

Windows codename Polaris (Windows 10X Prototype)
Architecture: ARM32

Download: HERE.wim

Xbox OS for PCs internal build 8422

Download: HERE.vhd

Windows 10 Technical Preview build 9841

Download: HERE.iso 64 bit
Download: HERE.iso 32 bit

BIOS DATE: October 1 2014

All downloads from Microsoft servers, this build is available on it

Azure Stack HCI OS

Download: HERE.iso

Windows 10 Lean build 17655

Download: HERE.iso

Validation OS

Download: HERE.wim

Soon...

Windows 11 first internal build (18947.1000 rs_xbox)

Download: HERE.vhd

BIOS DATE: May 24 2020