How to upgrade from a 32-bit to 64-bit version of Windows 10

[Windows Central]

If your PC has a 32-bit version of Windows 10, then you're missing out on some productivity advantages. Use this guide to switch to the 64-bit version.
Microsoft offers Windows 10 as a free upgrade for computers running a genuine copy of Windows 7 or Windows 8.1. Also, similar to previous releases, the operating system is available on different editions and two versions: 32-bit and 64-bit.

While upgrading from Windows 10 Home to Windows 10 Pro is not free, what many people are unfamiliar with is that Microsoft won't ask for more money to upgrade from a 32-bit to a 64-bit version.

Full story from the WindowsCentral blog...