Learn how to download and customize Windows Media Player. Get troubleshooting help and how-to information for Windows Media Player 12.

Microsoft removed the ability to connect new third-party accounts such as a Gmail account and sync existing connected accounts from within Outlook.com.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Learn how to open, navigate, and troubleshoot File Explorer in Windows, with answers to common questions and support assistance.

Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

When you use InPrivate tabs or windows, your browsing data isn't saved on your PC once you're done.

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

Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

Learn how to download new text-to-speech language and voices in Windows for Immersive Reader, Read Mode, and Read Aloud.

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.