In Windows 10, Windows Defender and Windows Firewall helps protect your device from viruses and malware.

Learn how to recover your password for Microsoft accounts such as Outlook.com, Hotmail, Live, MSN, and OneNote.

Use multiple desktops in Windows to organize projects, or quickly switch between desktops before a meeting.

若要下载 Internet Explorer 11 的脱机安装程序，请选择下面的语言和系统。

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

After you've signed up for Microsoft 365, you and your employees can install your Office apps. From the admin center, select Office software.. Choose a language, and then select Install.. When prompted, select Run.. Select Yes to allow the app to make changes to your device.. The installation may take several minutes, depending on your Internet speed.

If you don't want to sync all of your folders in OneDrive to your computer, you can use the OneDrive app for Windows and macOS to select which folders you'd like to have visible in File Explorer or Finder. When viewing Windows or Mac via a web browser or mobile app, you will always see all your folders.

了解如何关闭电脑，或使其进入睡眠或休眠状态

Turn on the night light setting in Windows to show warmer colors that are easier on your eyes.

If you want to send a mass mailing to an address list that you maintain in a Microsoft Excel worksheet, you can use a Microsoft Word mail merge. The mail merge process creates a sheet of mailing labels that you can print, and each label on the sheet contains an address from the list. To create and print the mailing labels, you must first prepare the worksheet data in Excel and then use Word to ...