忘れた場合や紛失した場合に Windows パスワードを変更またはリセットする方法について説明します。

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

In the new Teams, you can switch between apps, respond to chat messages, and join meetings and calls more quickly while using less battery and memory.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Learn how to add a printer or scanner in Windows. If your printer connects by a wire, plug it into your device. It'll connect automatically, your PC will download the right drivers, and you can use it right away.

Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Find answers to frequently asked questions about Office 2021 and Office LTSC for Windows and Mac on the official support page.

We would like to show you a description here but the site won’t allow us.

Microsoft アカウントパスワードをリセットまたは変更する方法について説明します。 忘れた Microsoft アカウントのパスワードに関するヘルプを表示します。