Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

To download the offline installer for Internet Explorer 11, choose your language and system below.

While setting up the Phone Link app, you'll be prompted to enable access to your phone's messages.

Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Add additional privacy protection to email messages with encryption.

This update for the Microsoft Visual C++ 2013 Update 5 Redistributable Package is released as a download-only update and isn’t distributed through Windows Update. Redistribution of this update is allowed, subject to the same license terms as granted by the Microsoft Visual Studio 2013 Update 5 release. Microsoft Download Center

How to use the IF function in Excel to make logical comparisons between data values.

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: