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

了解如何重置更改 Microsoft 帐户密码。 获取有关忘记 Microsoft 帐户密码的帮助。

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.

Simplify your workflow with others by collaborating on files in Microsoft Teams. Share them to allow others to view and edit them with you (editing in Visio requires a license).Share a file in Teams

Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.

Learn how to change app notifications, banners, and sound settings in Windows.

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.