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

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

Type regedit in the search bar on the taskbar, then select Registry Editor (Desktop app) from the list of results.

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

Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

Learn how to manage background activity for apps to help save battery power in Windows.

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

Learn how to download, install, and configure additional language packs for your version of Windows.

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.

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