Activate Office - Microsoft Support
Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Fix microphone problems - Microsoft Support
If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.
Shut down (turn off) your PC - Microsoft Support
Learn how to properly shut down your PC with step-by-step instructions from Microsoft Support.
Windows sign-in options and account protection - Microsoft Support
Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.
Fix USB-C problems in Windows - Microsoft Support
Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.
Use conditional formatting to highlight information in Excel
How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
デスクトップの背景画像を変更する - Microsoft サポート
Windows 設定アプリを使用して、デスクトップの背景と色を変更します。
リモート デスクトップの使い方 - Microsoft サポート
注: リモート デスクトップ サーバー (接続先のPCなど) は Pro エディションの Windows を実行している必要がありますが、クライアント マシン (接続元のデバイス) は任意のエディションの Windows (Pro または Home) またはまったく別のオペレーティング システムも実行できます。
Create a recovery drive - Microsoft Support
Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.
Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.