Note: Some cameras won't appear in the Camera settings page.These include infrared (IR) cameras used for Windows Hello Face authentication, cameras using DirectShow technology (like many apps provided by DSLR or action camera manufacturers so their devices can be used as webcams), and proprietary cameras that aren't managed by Windows—such as industrial cameras and many networked cameras.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Windows で BitLocker 回復キーを見つけるためのさまざまな方法について説明し、BitLocker がシステムでどのようにアクティブ化されているかについて説明します。

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Windows 11 でのタスク バー機能の使い方について説明します。 タスク バー設定で、タスク バーの非表示、アプリのピン留め、場所の変更などを行います。