Finding your BitLocker recovery key in Windows - Microsoft Support
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.
Redeem a gift card or code to your Microsoft account
How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox ...
Applies To: Microsoft account dashboard
Copy and paste in Office for the web - Microsoft Support
In Editing view you can cut, copy, and paste text and pictures within the document by selecting text or a picture just as you do in the Word desktop application. Press Ctrl+C to copy, Ctrl+X to cut, or Ctrl+V to paste the text or picture (Windows); or press ⌘+C, ⌘+X, or ⌘+V (Mac).
Applies To: Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web
Fix sound or audio problems in Windows - Microsoft Support
Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).
Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Update drivers manually in Windows - Microsoft Support
Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.
Recover lost or deleted favorites in Microsoft Edge
You can now restore lost or accidentally deleted favorites in Microsoft Edge with our new favorites recovery feature. You'll need to be signed in to your Microsoft account and have the sync setting turned on to use the favorites recovery feature.
Applies To: Microsoft Edge
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Screen mirroring and projecting to your PC or wireless display
You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
Import your favorites in Microsoft Edge - Microsoft Support
Open Microsoft Edge and select Settings and more . Select Favorites . In the Favorites window, select More options , and then select Import favorites. In the Import from menu, choose whether you want to import your favorites from Internet Explorer, Google Chrome, or Mozilla Firefox.