>>It's a long list and not everything was in the screen.
>>
>>Anyway, I think I got the answer
>>http://forum.lessthandot.com/viewtopic.php?f=12&t=11798
>
>You got a reference to the x86 version. I looked at my version and it doesn't say that on the About screen. I took a look at the DVD and it is a generic name. I wonder if there is a x64 version. Maybe during the setup, there would be some choices.

Denis said there only 32 version of VS 2010 exists.