Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Windows の Bluetooth の問題をトラブルシューティングする方法について説明します。 Bluetooth デバイスまたはアクセサリの接続に関する問題を解決します。

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

Erfahren Sie, wie Sie Windows auf Ihrem PC neu installieren und wie die Aktivierung nach der Installation funktioniert.

Get help when Windows can't find the camera

You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape.

Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.

选择 任务栏 右侧"网络"图标，然后移动"亮度 "滑块以 调整亮度。（如果未显示滑块，请参阅下方的“备注”部分。） 某些电脑可能允许 Windows 根据当前照明条件自动调整屏幕亮度。

Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.

You can use the Office programs to save or convert your files to PDFs so that you can share them or print them using commercial printers. And you won’t need any other software or add-ins.