Select the Start button, type PC settings, and then select PC settings from the list of results.Įnter your Windows 8.1 product key, select Next, and follow the instructions.

To activate Windows 8.1 using an internet connection: If you have problems activating online or don't have an internet connection, you can activate by phone. When you begin activation, Windows will try to use your internet connection to activate online. We recommend you move to a Windows 11 PC to continue to receive security updates from Microsoft. Support for Windows 8.1 ended on January 10, 2023. Press Windows logo key + R, type slui 4 in the Open box, and select OK. Or, if you do not have the Activate by Phone option: If you're not able to complete activation successfully, you will be connected to Microsoft support for your region and country. An automated system will guide you through the activation process.

Select your location (or the location nearest to you) from the drop-down list, and then select Next.Ĭall one of the available phone numbers listed. Under Activate Windows Now section, select Activate by Phone. Select Start > Settings > Update & Security > Activation. If online activation fails, first try the activation troubleshooting in Activate Windows 10. To activate Windows 10 using an internet connection:Īs Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.

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