Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Find out how to fix sound or audio problems in Windows.

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Learn about different things you can try to fix Ethernet network connection problems in Windows

Learn how to use the PC Health Check app to help you improve your device performance.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Troubleshoot issues that occur when setting up external monitors. If you are trying to set up an external monitor and it’s not working, press the Windows logo key + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.

Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.