Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Office 2019 is now available as a one-time purchase for commercial and consumer users. Office 2019 is available for both Windows and macOS, and includes classic versions of Word, Excel, PowerPoint, and Outlook.

Microsoft アカウント ダッシュボードでは、個人情報とセキュリティ設定の管理、サブスクリプションと注文履歴のタブの保持、支払いと請求オプションの管理を行うことができます。

Learn about different things you can try to fix network connection problems in Windows.

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

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

Configure cameras In Camera settings, you can set default settings for each camera. The settings are stored for each camera and each user account—they don't synchronize between multiple Windows devices.

Microsoft 365 provides powerful tools to help organize you and your family's lives. Empower you and your family through the Microsoft 365 Family subscription and learn how to create family calendars, share notes with a family notebook on OneDrive, and connect with your family on Microsoft Teams.

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.

Enter your password and select the arrow to continue. You’re now signed in to Skype.