Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

On the General tab, under Home page, enter the URL of the site you want to set as a homepage.You can add more than one URL. Or, to add the site you're currently viewing, select Use current.If you add more than one URL, put each URL on its own line.

In Sound settings, go to Input to see your connected microphones. If it's a Bluetooth microphone, select Add device.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word.

Recall actions are usually quick, regardless of how many recipients are involved. But if the recall request can’t be executed right away for some reason (e.g., the recipient’s mailbox is temporarily unavailable) we'll continue to retry for up to 24 hours before marking the recall as failed.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.. I'm having trouble opening the Start menu

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.