Windows セキュリティでウイルス対策機能を使って、マルウェア、ウイルス、その他の脅威から Windows PC を保護する方法を説明します。

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.

You can upgrade from Windows 10 to Windows 11 if your device meets hardware specifications, and if the Windows 11 release has been made available to your device.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

Learn how to view, manage, and delete cookies in Microsoft Edge.

Discover how to effectively utilize your computer keyboard and master various keyboard shortcuts for efficient computing.

Learn how to change or reset your Windows password if you've forgotten or lost it.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。