Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

After you've selected it, you'll see the available links for that type of Surface device model. Select the link for your model to get the latest firmware and drivers for sound, display, ethernet, and Wi-Fi.

On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.

If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to be safe and not click any links or provide any personal information.

If you can't sign into your Microsoft account, use our guided tool below to help you find the correct solution. Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

Restore from a system restore point. Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Stay safe with a genuine Office license. After launching an Office app, you might receive a message that says Get genuine Office. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.

These are the minimum system requirements your PC must meet to help enable a great computing experience: Processors/CPUs (Central Processing Units): 1 Ghz or faster with 2 or more cores and appearing on our list of approved CPUs . The processor in your PC will be a main determining factor for running Windows 11.