Not positive, but Vue 6 Inf is my first one and it's 64 bit.   NOW I also have Vue 2024 (thanks Bentley!) and it's 64 bits, and FREE!  :D

My 66th Birthday PC Build (July 1, 2020) :  named BadMoonRYZEN!, W10Pro x64, Octal Core RYZEN7 X3700 4.05 GHz, 64GB DDR4 RAM, GeForce RTX 3060 - 12GB GDDR6, PP2014, PP 11, P12, PS-CS4 Extended & Vue 2024.

McG.