Convert 32-bit Windows 10 to 64-bit using Windows 8.1 installation media
Convert 32-bit Windows 10 to 64-bit using Windows 8.1 installation media
You can apply the same product key to your new Windows 10 system, but ensure it matches the version you installed on your old machine. The key will be valid for both 32-bit and 64-bit builds if you have the correct one.
Yes, you can locate the Windows 10 64-bit ISO and create a bootable disk.