Learn about Windows service packs and download the latest updates for Windows 10 and Windows 8.1

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

PC で実行している Windows オペレーティング システムのバージョンとデバイスの仕様を確認する方法をご覧ください。

Microsoft Teams offers different ways to access, receive, and manage notifications. These settings include how, when, and where your notifications appear, custom settings for channels and chat, appearance and sounds, turning off specific messages, and so on.

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

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.

Add or remove items from an existing drop-down list (also called a drop-down menu or drop-down box).

Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.

This page provides phone numbers of Microsoft customer service.