A Microsoft account gives you access to Microsoft products and services with just one login.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

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.

Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

Microsoft Edge で、閲覧履歴やその他の履歴を表示したり削除したりする方法について説明します。

Discover how to effectively utilize your computer keyboard and master various keyboard shortcuts for efficient computing.

IMAP and POP are two methods to access email. IMAP is the recommended method when you need to check your emails from several different devices, such as a phone, laptop, and tablet.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.