Installing Guest Additions to the Windows XP Guest After installing the OS, I would recommend installing Guest Additions to your Windows XP machine. There is an entire chapter of the VirtualBox Manual ...

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.

VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted at server, desktop and embedded use, it is a professional-quality virtualization solution that is also Open Source Software.