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.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

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

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

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

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

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