Yes ! All work like a computer. The problem is for Logitech keyboard, the "loop of letter". I use the virtual keyboard for work on my Raspberry ...
Is the video playback decent? I know with Linux YouTube videos are painfully slow, I would assume it's the same no matter what but you never know.
For Internet is only with a cable, no WiFi and no Bluetooth drivers available for now... But is work goob !
In a futur days, I will posted here all tutorial for realised this project Now developement in progress : Install Windows 10 ARM64 19H1 18362.356 = OK Install Language Pack = OK Install OEM Information = OK Activation with MAS = OK Is posted here : Post--2
Yes, having a Pi 4 too to make a download Server which downloads all my items in the night. But there are no Roms or whatever you need for Windows 10 and the Pi 4