Under "Device specifications," check "System type" to see if your PC is running 32-bit or 64-bit. It's worth noting that Windows 11 does not have a 32-bit version, so if you're running Windows 11 ...

Similar is the case for applications, hence you will have to uninstall the 32-bit application and then install the 64-bit one, if available.

This feature allows users to run 16-bit applications on 32-bit computers. However, the feature is not available on Windows 11 and other 64-bit versions like Windows RT and Windows 10 IoT Core.

If your version of Windows is 64-bit, you're able to install both 32-bit and 64-bit software programs, so there are two different "Program Files" folders on your computer. However, 32-bit versions ...

If the box next to the entry is checked, it means your 64-bit version of Explorer is set to process Web pages in 32-bit mode. If the box is unchecked, Explorer will process pages in 64-bit mode.

And, of course, 64-bit Windows has its disadvantages: While most 32-bit applications have no problem in a 64-bit environment, utilities–which tend to work close to the OS’s core–are seldom ...

In addition, because 64-bit Windows 7 supports more physical RAM than 32-bit Windows 7 (192GB on non-Home versions vs. 4GB for any 32-bit flavor), you can easily expand your PC’s capabilities ...