When you have successfully identified the problem, check the manufacturer's support website for the latest drivers or software update.
After modifying the registry, close and go back to the Control Panel, go to Windows Update and check for new updates.
Now, you should be able to see and click the Get Started button to upgrade to Windows 10.
The same error code may also appear if your computer cannot connect to the Windows Update servers.
You can try to make sure that Windows Update is enabled and make sure you're not connected to a network using a VPN connection.
According to Microsoft, error 0x800F0922 happens when there is not enough free space on the System Reserved partition.To resolve the issue, you'll have to use a third-party software to increase the size of the System Reserved partition.