You could probably guess I don't claim to be authoritative here. :D I just recall there was a story not long ago about them doing some hard decisions going into 64 bit. https://learn.microsoft.com/en-us/troubleshoot/windows-serve... seems to indicate that you should mostly expect it to work.

Odds are high I just saw the headlines about how they are stopping 32 bit sales of their OS. Though, I couldn't tell you for sure what I was misremembering.