Windows 10 can run on both 32-bit and 64-bit processor architectures. If you have a computer with a 32-bit setup, you can upgrade to the 64-bit version without acquiring a new license. The only caveat ...
You’ve probably seen 32-bit and 64-bit options available whenever you download an app or install a game. Your PC might even have a sticker that says it has a 64-bit ...