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.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

New Windows 11, version 24H2 devices that are intended to be onboarded to Microsoft Defender for Endpoint might require customers to enable the prerequisite feature. This affects all supported architectures.

Find your BitLocker recovery key. Windows 11 Windows 10. A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.

Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

Select Defragment and Optimize Drives from the list of results. Select the drive you want to work with. If it's a hard disk drive, select Analyze if you want Windows to check the drive to see if it needs optimization, or select Optimize to have Windows run optimization on the drive.

Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.

When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.

Make sure your Windows 11 device supports Miracast. To check on your PC, press the Windows logo key + K. If your device doesn't support Miracast, you might see a message saying you need to connect a cable to cast to an external display. Make sure Wi-Fi is turned on.