Click start, right click on Computer, select Properties...

If you see, "System type: 64-bit operating sytem"

You want the 64 bit version.. beter performance.

Period

Unless of course DAZ didn't fully utilize the 64 bit capabilites.

Let me put it this way.. My 1980's built 386CPU was 32 bit...

 

Quote - Since they had studio 4 pro for free, I downloaded it, but I am not sure if I will use it.  Can anyone tell me what this means:

32 Bit OS support
64-bit Hardware Support