Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

This page is for Microsoft 365 Basic, Microsoft 365 Personal, and Microsoft 365 Family subscriptions only. For help with other subscriptions purchased through Microsoft see Cancel a Microsoft subscription. If you purchased a Microsoft subscription from Google Play or the Apple app store, contact their customer support for cancellation or refund.

PC または Mac に Microsoft 365 または Office 2019 をインストール、再インストール、またはライセンス認証する方法について説明します。

Microsoft Edge を使用すると、Web を参照するときにパスワードを簡単に保存できます。 デスクトップまたはモバイル デバイスの Edge ブラウザーで新しいパスワードを入力すると、ユーザー名とパスワードを記憶するかどうかを Microsoft Edge から確認するメッセージが表示されます。

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

To adjust power and sleep settings in Windows 10, go to Start , and select Settings > System > Power & sleep.. Under Screen, select how long you want your device to wait before turning the screen off when you're not using your device.

Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.