Use the Windows Settings app to change your desktop backgrounds and colors.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

To import a text file, you can open the file or import the text file as an external data range. To export a text file, use the Save As command.

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

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

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

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

This page is for Microsoft 365 Basic, Microsoft 365 Personal, and Microsoft 365 Family subscriptions only. For help with other subscriptions purchased through Microsoft see Cancel a Microsoft subscription. If you purchased a Microsoft subscription from Google Play or the Apple app store, contact their customer support for cancellation or refund.

Things to try to fix touchpad problems in Windows 10 and 11.