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.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

How to block pop-ups in Microsoft Edge. In Edge, go to Settings and more at the top of your browser. Select Settings > Cookies and site permissions. Under All permissions, select Pop-ups and redirects. Turn on the Block (recommended) toggle.

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

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.

Manually update Surface drivers and firmware. Manual updates are useful if you need to update an offline device, update many devices that are all the same model, or if you’re creating system images for your organization.

Refunds for digital games include Microsoft Store digital game offers, Xbox apps (excluding movies and TV apps), digital gaming bundle offers, digital game durable content, and some digital game consumable content, whether made available through the Xbox console, on your PC, or on your mobile device.

Get the steps for changing your home page in Microsoft Edge, Internet Explorer 11, Google Chrome, Firefox, and Safari.

Show or hide the Recycle Bin. Select the Start  button, then select Settings . Select Personalization > Themes > Desktop icon settings. Select the Recycle Bin check box > Apply. To get to desktop icon settings in Windows 8.1, swipe in from the right edge of the screen, then select Search.