Open the Surface app. In the Surface app, expand Help & support to check if the update status is "You're up to date" or something else. If needed, select the option to update the devices. Note: If you don't have the Surface app installed, you can download the Surface app from the Microsoft Store.

Go to https://account.microsoft.com/devices/recoverykey to find your recovery key. Tip: You can sign into your Microsoft account on any device with internet access, such as a smartphone. It should look something like this:

Need more help? If you can't find an app or program, try the tips in See all your apps in Windows 10 and Program is not listed in add/remove programs after installation. If you get an error message when you're uninstalling, try the Program Install and Uninstall Troubleshooter.

All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx). If you’re trying to redeem your code on a Windows or Xbox device, make sure that you have entered all 25 digits correctly. To learn more about Xbox gift cards and codes, visit:

How to redeem a code on Xbox Series X|S and Xbox One. Press the Xbox button to open the guide, and then select Store. Press the View button to open the side menu, and then select Redeem. Enter the 25-character code, select Next, and then follow the prompts. How to redeem a code from a PC or mobile web browser.

Press the Xbox button to open the guide, select Profile & system > Settings > Devices & connections > Controllers & headsets, and then select the controller you want to update. On the Xbox Wireless Controller screen, select “…” to check the firmware version for your controller.

The sfc /scannow command will scan all protected system files, and replace corrupted files with a cached copy that is located in a compressed folder at %WinDir% \System32\dllcache. The %WinDir% placeholder represents the Windows operating system folder. For example, C:\Windows.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.

The Xbox Elite Wireless Controller Series 2 is compatible with all Xbox One and Xbox Series X|S consoles. Most Xbox accessories are compatible with the controller, including headsets, Play & Charge Kits (Elite only), and chatpads.

How to redeem a Windows activation code. On your Windows PC, go to the Activation section of the Settings app and select Change product key. Open Settings. Problems redeeming a code? If you're unable to redeem a code, check our self-help troubleshooting guidance below. Get help. Need more help?