Is there an available Pro update for arm64? Heck, I couldn't even find an install image for the version I have, and for some reason, Windows reset doesn't work,

Is there an available Pro update for arm64? Heck, I couldn't even find an install image for the version I have, and for some reason, Windows reset doesn't work, so I hope Windows won't hose itself ever on that machine, because it will then be a brick.