2.

Right-click My Computer, and then click Properties.

If you don’t see “x64 Edition” listed, then you’re running the 32-bit version of Windows XP.

If “x64 Edition” is listed under System, you’re running the 64-bit version of Windows XP.

How do I find out my Windows version?

Click the Start button , enter Computer in the search box, right-click Computer, and click Properties. Look under Windows edition for the version and edition of Windows that your PC is running.

How do I know if I have 32 or 64 bit Windows 10?

To check whether you’re using a 32-bit or 64-bit version of Windows 10, open the Settings app by pressing Windows+I, and then head to System > About. On the right side, look for the “System type” entry.