Microsoft Teams updates automatically, but you can start an update whenever you want.

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

Learn what to do if Surface won’t turn on, turns on then off, or starts and gets stuck on a screen—a black screen, a screen with a logo, or another screen

In PowerPoint, learn how to troubleshoot Designer if you don't see the Designer button, no suggestions are offered, or the button is grayed out.

Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.

本页可帮助你了解如何使用 Microsoft 日语输入法，包括输入法功能和键盘快捷方式。

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

更新 Surface 设备和 Windows。 下载最新的驱动程序和固件更新，以使 Surface 设备保持最佳性能。

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

You can apply sensitivity labels to your files and emails to keep them compliant with your organization's information protection policies.