In Windows XP, Windows Vista, or Windows 7, to check whether you are using a 32-bit or 64-bit version of Windows, please click on the Start button, right-click on the Computer menu option, and ...

The x64 editions were hybrid 32/64 bit operating systems that could natively run 32 or 64 bit code at full speeds without software emulation, whereas the 64 bit edition of Windows XP relied on ...

Since Windows XP Pro 64-Bit was released, ... we have not really seen any dedicated 64-Bit software, but only 32-Bit software patched to take advantage of 64-Bit. Large memory support, up to 128 ...

The updated 64-bit operating system, Windows XP 64-Bit Edition for 64-Bit Extended Systems, which will run natively on AMD Athlon 64 processor-powered desktops and AMD Opteron (TM) processor-powered ...

Disadvantages of 64-bit Windows over 32-bit Windows. 64-bit device drivers may not be available for one or more devices on the computer. Device drivers must be digitally signed.

If you need to run a 32-bit version of XP in a 64-bit host, you can do that without any problems. Add 32-Bit XP to a 64-Bit Host After you install and launch VirtualBox, click "New" to view the ...