Learn what you can do if you're not receiving account aign-in verification codes.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

注: Microsoft アカウントとして所有しているメール アドレスを使用するか、サインアップ時に [新しいメール アドレスを取得する] または [代わりにメールを使用する] を選択して新しいアドレスを作成できます。

Learn how to install a scanner and use it to scan pictures and documents in Windows 10.

Learn how to properly shut down, sleep, or hibernate your PC with guidance from Microsoft Support.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by:

Windows 10とWindows 11でエクスプローラーを検索して開き、ファイルとフォルダーをピン留めして削除することでクイック アクセスをカスタマイズします。

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.