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

Tip: If you have a Microsoft 365 Family subscription, people you've shared the subscription with can also set up a personalized email address with your connected domain.After you've set up your domain, people you've shared with will see an option to add a personalized email address in the premium features section of Outlook settings.

The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need.

If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

Office または Microsoft 365 を購入したときにプロダクト キーが付属していた場合は、使用している製品に対応する以下の Web サイトのいずれかにプロダクト キーを入力します。

Get steps for how to change screen brightness in Windows.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

如果在电脑或 Windows 设备上从 Xbox 应用安装或玩游戏时遇到问题，请尝试以下解决方案。

確認コードが届かない場合は、さまざまな原因が考えられます。 最も一般的な原因の一覧を読み、該当する原因があるかどうかを確認するか、トラブルシューティング ツールを使用してガイドを参照してください。

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.