即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

If you have Dynamic Lighting-compatible devices (such as LED-lit keyboards, mice, case lighting, or other devices), you can control them both individually or as a group through Windows Settings, by selecting Start > Settings > Personalization > Dynamic Lighting.. When connected, compatible devices will show up as cards along the top of the page.

Turn on Focused Inbox, and move items between Focused and Other folders, Includes instructions for new Outlook, classic Outlook, and the web versions of Outlook.

First, set up your microphone, then use Windows Speech Recognition to train your PC.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

KB5034441: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: January 9, 2024

Microsoft Edge comes with built-in accessibility options such as making text larger, having the web read aloud to you, keyboard shortcuts, and more.

Find everything you need to manage your Xbox account, profile, and more.

Add your Outlook.com, Microsoft 365, or Exchange-based email account to your iPhone, iPad, or iPod Touch using the iOS Mail app.

Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.