Sorry, I had conflated Windows NT development with development of 64-bit Windows as told by Raymond Chen: https://learn.microsoft.com/en-us/previous-versions/te

Sorry, I had conflated Windows NT development with development of 64-bit Windows as told by Raymond Chen: https://learn.microsoft.com/en-us/previous-versions/technet-magazine/cc718978(v=msdn.10) https://learn.microsoft.com/en-us/previous-versions/technet-... Raymond also says elsewhere that most WinNT engineers did development on i386, but doesn’t explicitly say what time period he is describing: https://devblogs.microsoft.com/oldnewthing/20250513-00/?p=111176 https://devblogs.microsoft.com/oldnewthing/20250513-00/?p=11...