X86 and x64 editions are on separate discs. With Retail non-Ultimate versions, for a small S&H fee, you can request the other media from what you bought (ie: if you bought Business x86, you can get Business x64--they use the same keys). Ultimate edition retail box has both x86 and x64 DVDs.
Order Vista alternate media: http://www.microsoft.com/windowsvista/1033/ordermedia/default.mspx OEM versions, in contrast, cannot be interchanged. What you bought is all you're entitled to. Greg > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:hardware- > [EMAIL PROTECTED] On Behalf Of Winterlight > Sent: Saturday, June 28, 2008 9:17 PM > To: hardware@hardwaregroup.com > Subject: [H] Vista 64 > > Is Vista 64 on all Retail DVDs, or is a separate purchase? If it is > on the same DVD does it give you a choice when you start to install?