by Barry Dysert
(last updated August 22, 2016)
Some Windows programs are designed for the 32-bit version, some for the 64-bit version, and many programs can run in either environment. Whatever the case, you may want to know whether you're running the 32-bit or the 64-bit version of Windows. (This tidbit of information is particularly important if you want to upgrade some of the device drives on your system—you need to use either 32-bit or 64-bit drivers that match your 32-bit or 64-bit version of Windows.)
How you check to see whether you are running 32-bit or 64-bit Windows depends on the version of Windows you are using:
Regardless of whether you are using Windows 7 or 8, you'll see information about your system. (See Figure 1.)
Figure 1. Seeing whether you're running 32-bit or 64-bit Windows.
Look near the middle of the dialog box and you should see information labeled "System Type." This is where you can see whether you are running the 32-bit or 64-bit version of the Windows operating system.
This tip (11883) applies to Windows 7, 8, and 10.
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