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Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Keeping your login information secure will sometimes require you to change a password. You can easily edit the passwords saved in Microsoft Edge.

了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。

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

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

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

Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.