Create a system restore point. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Get steps for how to change screen brightness in Windows.

Learn how to navigate Windows using keyboard shortcuts. Explore a full list of taskbar, command prompt, and general Windows shortcuts.

Things to try if you've purchased Copilot but don't yet see it in your Microsoft 365 apps.

将必应作为默认搜索引擎，将增强在 新版 Microsoft Edge 中的搜索体验，包括直接指向 Windows 应用的链接、来自组织的相关建议（如果使用工作或学校帐户登录），和有关 Windows 的问题的即时解答。 但是，你可以将默认搜索引擎更改为使用 OpenSearch 技术的任何站点。

Learn more about how to print web pages and documents in Microsoft Edge.

Learn how to properly shut down your PC with step-by-step instructions from Microsoft Support.

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

了解如何重置更改 Microsoft 帐户密码。 获取有关忘记 Microsoft 帐户密码的帮助。

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.