VirtualBox is flexible enough to handle many types of 32-bit and 64-bit configurations. If you need to run a 32-bit version of XP in a 64-bit host, you can do that without any problems.

Though it seems likely that 64-bit sales will overtake 32-bit at some point during the course of Windows 7's life, 32-bit software isn't going away anytime soon. A lot of software is still 32-bit ...

If VirtualBox is not showing 64-bit Operating System, Enable Hardware Virtualization or Disable Hyper-V. More suggestions are here in this post.

Jvness asked the Windows forum about upgrading an older, 32-bit version of Windows to 64-bit Windows 7. There are two questions you have to answer. First, is your PC compatible with Windows 7 (and ...

Windows/Mac/Linux (All platforms): Free and open-source virtualization tool VirtualBox recently released a 2.0 version that includes a few major upgrades. Most importantly, 2.0 supports running 64 ...

If you have an Intel Core 2 Duo or newer processor, you’ve got a 64-bit CPU, and you should install the 64-bit version of Windows 7 to play with. (Here’s how. You’ve got like 5 days left, BTW.) ...

For most would-be Windows 7 users, a 64-bit version of Windows 7 is the right move. But if you don’t have sufficient RAM (at least 4GB), or you rely on devices that don’t have supporting 64 ...