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

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Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

See what's new in recent Windows 10 and Windows 11 updates, including a chat from the taskbar, widgets, snap groups, and more.

Learn how to set up a connection to a proxy server on your Windows PC.

Learn how to fix Outlook.com email sync issues if you can't receive or send messages.

Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.

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

Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.