Windows 10 works on Raspberry Pi 400. WOR episode 26.

Insider Build 21301.1000 arm64 running from sd card

Working usb mouse
Built in keyboard
Sd slot
Usb 2.0
Usb 3.0
Usb Ethernet Adaptor
Usb Bluetooth Adaptor
Bluetooth audio
Bluetooth phone tethering (internet)
Full 4gb ram supported

Not working
Onboard sound
Onboard Ethernet
Onboard WiFi

Thanks to Sascha Zindel for letting me know and adding the links

Thanks to everyone else involved from the wor team, the various GitHubs and the Discord

Links. See pinned comment of this video
Windows 10 Getting closer Raspberry Pi 400

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In this video
Sabrent usb Bluetooth
Gigastone 32GB
Pi 400
Integral usb 3.1 sd card reader
Kingston 64GB A2
Official Raspberry Pi power adapter black
Arcanite 128GB usb stick
Ethernet adaptor

Samsung 64GB flash drive 4 4gb
Vonets Ethernet to WiFi Adaptor
Pi 4 8GB
Crucial 240GB SSD
CSL sata to USB 3 cable
YCCTEAM Xbox 360 Wireless controller
Kingston 240GB SSD
SSD Kingdian
Fifine Microphone
Kingston a400 M.2 120GB
Samsung Evo 32GB
Official Raspberry Pi power adapter white
Aoduke M.2 usb adaptor

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