Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Microsoft Teams Web アプリは、Chrome、Firefox、Internet Explorer を含むほとんどのデスクトップ ブラウザーで動作します。

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

A Microsoft Exchange account is a work or school email account. The organization that gave you the Exchange email account is running a Microsoft Exchange Server, or is using Microsoft 365 which uses Exchange Server to provide email.

Learn how to use the PC Health Check app to help you improve your device performance.

Learn how to cancel your Microsoft subscriptions such as Microsoft 365, Copilot Pro and Xbox. Troubleshoot issues if you can't cancel your subscription.