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 ...
If you had upgraded Windows 8 using the Windows8-Setup.exe executable, rather than through a DVD, it can be difficult to troubleshoot your computer in the event that it is not starting properly or you ...