Follow the steps below to find out if your computer is running a 32-bit or 64-bit Windows architecture:
- Go to your PC and click the Windows Start button | in the lower-left corner of the screen.
- In the search box, type System Information. If nothing comes up in the search results, type msinfo32 instead.
- Next, select System Information in the list of search results.
- A new window will pop up on your screen. In the System Type section, you can see if it’s an x86 (32-bit) or x64 (64-bit) based PC.