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

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

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

Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Add voting buttons to a message so that recipients can vote; results are tracked automatically in Outlook.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.