了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。

了解如何在电脑上重新安装 Windows，以及安装 Windows 后激活的工作原理。

Windows 11, version 23H2 ; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880) June 25, 2024—KB5039302 (OS Builds 22621.3810 and 22631.3810) Preview

Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.

虚拟化可让你的电脑模拟不同的操作系统，例如 Android™ 或 Linux。 通过启用虚拟化，你可以访问更大的应用库，以便在电脑上使用和安装。

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

As an employee, IT worker, or end-user, set up authentication for your work or school account, reset your own password, set up and join devices, set up the Microsoft Authenticator app, and use the My Account and My Apps portals.

Learn how to manage background activity for apps to help save battery power in Windows.