How to Find Out If Your Computer Is 32-bit or 64-bit for a Dell E1505 With Windows XP Professional
- 1). Click "Start" and select "Run."
- 2). Type "sysdm.cpl" in the "Run" window and press "Enter."
- 3). Click the "General" tab and look for the operating system title. If you see "Windows XP Professional x64 Edition," then you have the 64-bit version. If it does not state "x64 Edition" then you have the 32-bit version.