When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.

Before you send an Outlook email message or share a Word document, Excel spreadsheet, PowerPoint presentation, or OneNote notebook, run the Accessibility Checker to make your content easier for people with disabilities to read and edit.

学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。

Obtenga información sobre cómo usar el solucionador de problemas de activación para resolver problemas de activación comunes en Windows.

Learn how to free up space for Windows update including deleting nonessential files, using an external hard drive, and updating your hard drive.

Check for updates in the Phone Link by opening Settings > About > Check for updates.Install any pending updates to make sure your content stays up-to-date. You may also need to check for updates in the Link to Windows app on your Android device.

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.

OneDrive for Business provides one place to store, share and sync your work or school files.

Contatta il Supporto tecnico Microsoft. Trova soluzioni a problemi comuni, oppure ottieni assistenza da un operatore del supporto.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。