You can usually find the product key on the CD box if you bought a hard copy, or in a confirmation email from Microsoft if you bought a Windows 10 product key online. If you bought a key for Windows 7, 8, or 8. 1, you can use that key to register Windows 10. [1] X Research source

Expand the HKEY_LOCAL_MACHINE folder by double-clicking it. Expand SOFTWARE Scroll down and expand Microsoft Scroll down and expand Windows NT Expand CurrentVersion Expand Software Protection Platform Click Activation

If your mouse doesn’t have a right-click button, click the right side of the mouse, or use two fingers to click the mouse. If your computer uses a trackpad instead of a mouse, use two fingers to tap the trackpad or press the bottom-right side of the trackpad.

You may be prompted to confirm this choice. If so, click Yes or OK before proceeding.

You may be prompted to confirm this choice. If so, click Yes or OK before proceeding.

If this doesn’t work, re-open Start, type in run, and click Run.

Click the View tab. Check the “Hidden items” box. Check the “File name extensions” box.

The file should now read “WgaLogon. dll. bak” instead. You may be prompted to confirm this choice. If so, click Yes or OK.

The file should now read “WgaLogon. dll. bak” instead. You may be prompted to confirm this choice. If so, click Yes or OK.

Right click on a blank space in the system32 window. Select New Click Text Document Type in WgaLogon as the file’s name. Replace the . txt with . dll Press ↵ Enter, then click Yes if prompted.

system32 - You should see “WgaTray. exe” in the window if “wga” is still typed into the search bar. Task Manager - Click the Processes tab, scroll down until you find the “WgaTray. exe” option, and click it.

You may have to repeat this process at some point, since Genuine Advantage notifications often return with critical updates.