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

了解如何创建用于安装或重新安装 Windows 7、Windows 8.1 或 Windows 10 的安装介质。

Learn how to connect to a Wi-fi network in Windows and manage your current network connections.

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Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.

Excel の表に基づいたドロップダウン リストを編集する. ソースの一覧を Excel の表として設定する場合、一覧からアイテムを追加または削除するだけで、自動的に関連するドロップダウンが更新されます。. 項目を追加する場合は、一覧の最後に移動して、新しい項目を入力します。

Learn how to uninstall Office from a PC using the Control Panel or with the uninstall support tool.

Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.

Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.