You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

Get the steps for how to transfer photos and videos from your portable devices to your PC.

Learn how to improve the clarity of text and images displayed on your screen by changing the screen resolution of your monitor.

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

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

Learn how to install Office 2010, or install and remove individual Office programs or components for both 32-bit and 64-bit versions of Office.

How to calculate the number of days, months, or years between two dates using the DATEIF function in Excel.

If your computer is showing a black or blank screen in Windows, these troubleshooting tips could help get your system back up and running.

Find out how to stop your screen from flickering after the upgrade to Windows 10.

[設定] の [Windows Update] ページにアクセスするための推奨オプションなど、Windows 11 をインストールする方法をご覧ください。