Updating from Windows 7 32-bit to 64-bit using the same license key works.
Updating from Windows 7 32-bit to 64-bit using the same license key works.
The installer is straightforward and many tutorials are available online with images. The main actions are launching the installer via USB, going through the on-screen instructions, and deciding at the right moment whether to format the drive or keep everything intact. If you choose the latter, files will be saved in a folder called Windows.old for later access.