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

Learn how to find your Windows product key for activation or when to use a digital license instead.

Learn how to install Office 2013 on your PC or Office for Mac 2011.

Learn how to use VLOOKUP, INDEX, or MATCH to search for data in Excel. Get a quick refresher and more tips from Microsoft Support.

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

Learn how to connect a Bluetooth device in Windows and adjust Bluetooth pairing settings.

Learn how to earn Microsoft Rewards points when you browse the web with Microsoft Edge, search on Bing.com, and more.

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.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.