Learn how to get Outlook set up to work with Microsoft 365, POP, IMAP, or Microsoft Exchange-based email accounts.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

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 access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

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

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.