Learn how to protect your device with Windows Defender SmartScreen and other app and browser control settings in Windows Security.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

Help for Microsoft mobile apps on Android and iOS devices. Find how-to articles and video tutorials for Samsung Galaxy and iPhone. Learn how to link your Microsoft 365 mobile apps, including Outlook, OneNote, and Your Phone.

Get expert help, training, and support for your Microsoft PC accessories with easy access to resources and guidance.

You need to enable JavaScript to run this app.

查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。

Be forewarned that some people face the possibility of experiencing photosensitive epileptic seizures while watching video games.

Microsoft 支援服務可協助您處理 Microsoft 產品。 尋找適用於 Microsoft Copilot、Microsoft 365、Windows、Surface 等的使用方法文章、影片和訓練。

Learn all about games and apps for Xbox and get help with any problems you're having.

You need to enable JavaScript to run this app.