Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

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

在开始之前，请确保Windows 11电脑支持蓝牙。 有关如何检查的详细信息，请参阅修复 Windows 中的蓝牙问题。如果需要帮助添加没有蓝牙功能的设备，请参阅将设备添加到 Windows 电脑。 打开蓝牙 检查Windows 11电脑是否支持蓝牙后，需要将其打开。

How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

Installer Microsoft 365 pour la première fois. Certains produitsOffice 2019, Office 2016, et Office 2013 sont fournis avec une clé de produit.

How to use the IF function in Excel to make logical comparisons between data values.

To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened.. Open Camera. Looking for other camera info?

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

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.