You need to use the desktop version of Windows Update. If you try, you will see the following message: However, you won’t be doing it through Windows Update in the modern Settings app. Upgrade Windows 8.1 to Windows 10Įven if you don’t see a message from the get windows 10 app on the taskbar, if the upgrade files have been downloaded to your PC, you can start the process via Windows Update. The upgrade process is relatively simple, but there’s always a chance of something going awry. Or you might even want to make a system image and create a recovery key before the upgrade. Note: Before starting the upgrade, make sure you have all of your important data backed up first.