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

Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

检查你的版本 DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。 向工作或学校电脑添加人员 最好是在工作或学校共享一台电脑的每个人都有自己的 Microsoft 帐户。

Learn how to connect to a Wi-fi network in Windows and manage your current network connections.

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.