了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Learn how to use your Windows PC as a mobile hotspot. Turn your Windows PC into a mobile hotspot by sharing your internet connection with other devices over Wi-Fi.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。

Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.