I would run the beta as a dual boot. The Win 8 install has an option to do just that.

If you still want virtual, try here. http://www.microsoft.com/windows/virtual-pc/download.aspx. It talks about XP mode, but there is a download for Windows Virtual PC, which is what you want.

>I am running windows 7 on 64 bit dell laptop
>
>i want to try win 8 but in a virtual pc
>
>download virtual pc 2007 (64) from msdn but it does not run, it;s incompatible
>
>what to do???
>
>Peter