Of course, it is possible that this error is only there for the development phase of the product, but something tells me that Microsoft would rather have one DVD if it was possible. Presumably, this would mean that, just like with Vista, the same product key can be used to install the 32-bit or the 64-bit version of the same software. Then navigate to the x86 folder at the root of your CD/DVD and run setup.exe. If you want to install 32-bit Office 2010, close this setup. If you want to install 64-bit Office 2010, you must uninstall all 32-bit Office products first, and then run setup.exe in the 圆4 folder. While trying to install the 64-bit version on my Vista box, I got an error (pictured above), that would suggest Microsoft is indeed trying to put both on the same disc.
1010) over the weekend, speculation is turning into a believable rumor. So far, Microsoft has refused to give me details on whether or not they would be doing this, but with the Office 2010 32-bit and 64-bit leak (build. However, with Office 2010, readers speculated, it might be possible to pull off. With Vista, this was not possible due to size constraints. Ever since then, the number one question from readers commenting on Office 2010 posts was whether or not both 32-bit and 64-bit flavors would be available on one DVD. In March, a rumor started about there being a 64-bit version of Office 2010 and in April, we got official confirmation from Microsoft that this would indeed be happening.