Find solutions to common problems or get help from a Microsoft support agent by contacting us.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

Find out how to fix sound or audio problems in Windows.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Find out how to install Windows 11 on your device, whether you need to use Windows Update, Cloud download, or Local reinstall. Get tips and troubleshooting help from Microsoft Support.

Learn how to use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.

If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.