This is more of a curiosity than a real thing. It should be possible with graphicsmodedisabled 1 and editing the Vista fallback, however there may be a XP bootscreen hidden inside 10 that appears in very rare circumstances. I've only found two references to this ever happening.
First was the result of a friend of a friend having a broken GPU. (5700XT iirc) I'm not sure what happened to the messages (I can't find them), but I went over what the Vista bootscreen looked like and they confirmed that it was the XP bootscreen.
This is all I really have to prove that this happened.
The second reference is:
https://web.archive.org/web/20220323220536/http://web.archive.org/screenshot/https://answers.microsoft.com/en-us/windows/forum/all/windows-xp-logo-is-getting-displayed-while-booting/cb6b0951-53cc-4eeb-8e94-1de528f12b80
I think this is either a fallback if the Vista bootscreen doesn't work, or maybe some sort of fallback when the 10 bootscreen doesn't work, but it's not broken enough to use the Vista bootscreen. Not completely sure, but I doubt it would come before the Vista screen. I would also be curious where the assets are for this bootscreen (and the Vista one too, maybe they're even together in the same file idk).
