Learn how to find your Windows product key for activation or when to use a digital license instead.

Check the Xbox services, games, and apps for any service outages.

Learn how to find which version of Windows operating system your PC is running and device specifications.

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

We recommend always having the latest version of Windows installed to make sure you get the best experience with the Phone Link .

How to use the IF function (combined with the AND, OR, and NOT functions) in Excel to make logical comparisons between given values.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Learn how to add a printer or scanner in Windows. If your printer connects by a wire, plug it into your device. It'll connect automatically, your PC will download the right drivers, and you can use it right away.

PC 正常性チェック アプリは、お使いの Windows デバイスの正常性に関する最新の情報を提供して、デバイスのパフォーマンス向上のための対処や、パフォーマンス問題のトラブルシューティングに役立ちます。

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.