Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

Learn how to troubleshoot and fix problems setting up your email in Outlook.

Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

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.