Hi. Article author here. It was but not when you think... 64-bit NT was never released. NT on Alpha was 32-bit. It only leaked this month. I wrote about it:

Hi. Article author here. It was but not when you think... 64-bit NT was never released. NT on Alpha was 32-bit. It only leaked this month. I wrote about it: https://www.theregister.com/2023/05/19/first_64bit_windows/ https://www.theregister.com/2023/05/19/first_64bit_windows/