The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

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.

Automatically update Windows 10, Windows 11, and Surface drivers and firmware. After following the preparation steps, see Update Windows to learn how to check for updates and install them. Or select the Check for Windows updates button below to open Windows Update in Settings. Check for Windows updates.

Give your PC a Fresh Start. Resetting your PC lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact. In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life.

Pair your mouse with Bluetooth. Turn on your mouse, then follow the instructions to pair it to your PC: Press and hold the pair button on the bottom of the mouse until the LED light starts to flash (about 5 seconds). On your Windows 11 PC, select Connect if a notification appears for your mouse, then wait for it to get set up.

Most of the advanced display settings from previous versions of Windows are now available on the Display settings page. Select Start > Settings > System > Display. If you want to change the size of your text and apps, choose an option from the drop-down menu next to Scale.

Select Start > Settings > Windows Update > Check for updates and then install any available updates. If the problems aren't all resolved, try running the troubleshooter again to check for additional errors, or see Fix Windows Update errors and follow the troubleshooting steps.

Create Windows 11 installation media. 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.

Ways to install Windows 11. Windows help & learning. Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.