Learn how to switch between Office 365 for home subscription plans, which include Office 365 Home, Office 365 Personal, and Office 365 University. You will also learn how to redeem a free Office 365 subscription that came with your computer or tablet if you have an existing Office 365 subscription plan.

Learn how to switch Outlook from working offline to online with your mail server on Microsoft Support.

With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.

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。

Learn how to create and use a VPN connection profile on Windows for secure and private internet access.

Learn how to change your notification settings and quick actions using the notification center in Windows.

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

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

How to access and change the privacy settings in Windows 10 and 11.

如果你正在使用 Windows 电脑，并且想要在电脑设备上显示来自其他屏幕的应用程序和内容，则需考虑将设备屏幕镜像或投影到 ...