One cool, little mentioned feature of Windows 7 is that it can be updated to a grander version, as quickly and easily as installing an security update. You can simply enter the license key for the version of Windows 7 that you want to update to and let the system upgrade itself—an Anytime Update license, which can be purchased for an incremental price (compared to paying the full price), can be used as well.

1. Right-click on Computer to bring up its context menu and select Properties or open the System settings from the Control Panel.
2. Unless you already have Windows 7 Ultimate installed, the section at the top, “Windows edition” should have a link that says “Get more features with a new edition of Windows 7.” Click on that link.
3. After entering the license key for the new Windows version, After inputing a valid key the upgrade files will be downloaded and installed on the machine. The machine may reboot a couple of times.