If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

How to back up the key. Tap the Windows Start button and type BitLocker. Select the Manage BitLocker Control Panel app from the list of search results. In the BitLocker app select Back up your recovery key. Select where you want the key backed up.

Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.

Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version. Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

A product key is a 25-character code used to activate Windows. What you'll see is PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. After determining which activation method you use, follow the steps in the corresponding Activate using a digital license or Activate using a product key .

When Office app closes unexpectedly before you save your most recent changes, Document Recovery automatically opens the next time you open the Office app to help you get your file back. Tip: If you are a Microsoft 365 subscriber the safest way to work is to store your files on OneDrive or SharePoint and use AutoSave. Windows macOS.

Basic steps. About modes and file systems. Command line syntax. Frequently asked questions. Restore files that have been deleted and are not in the recycle bin.

Option 1: Use the Windows Security app. Run Settings > Update & Security > Windows Security > Device Security. If you do not see a Security processor section on this screen your PC may have a TPM that is disabled. see How to enable TPM for more information or check your PC manufacturer’s support information for instructions. to enable the TPM.