We talk a lot about Windows 32 and 64-bit around here. If you’ve purchased a PC from the shelf, there’s every chance you don’t know whether it’s running 32 or 64-bit Windows. Most computers sold today come with 64-bit Windows installed (needed to utilize >3GB RAM, which is now commonplace in standard PCs); here’s how you can check for yourself:
Check to See if You’re Using Windows 32 or 64-bit
Click the Start button, right click Computer, and click Properties:
The system properties dialog box will now show. Look for the information that states if you’re running 32 or 64 bit:
Note: Unless you see “64-bit” listed, you’re running 32-bit:
Note: Here are some of the differences between 32 and 64-bit Windows.