Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

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

Add international characters using keyboard shortcuts in your Outlook email.

Update Microsoft Store. Select Start, then from the apps list, select Microsoft Store.In Microsoft Store, select Library > Get updates.If an update for Microsoft Store is available, it will start installing automatically.

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

Learn how to create and add a signature to email messages you send in Outlook.com.

Look in the Surface app. The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory.

プロダクト キーまたはデジタル ライセンスを使用して Windows をライセンス認証し、ライセンス認証の状態を確認し、Microsoft アカウントをリンクする方法について説明します。

Erfahren Sie, wie Sie Microsoft 365 oder Office 2019 auf einem PC oder Mac installieren, erneut installieren, oder aktivieren.

There are several ways to calculate the difference between two times.