如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11，您可能需要授予应用使用它的权限。

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

Introduction. The Microsoft .NET Framework Repair Tool detects frequently occurring issues that affect Microsoft .NET Framework setup or updates.

Learn how to use mail merge in Word to create custom documents, envelopes, email, and labels with individualized elements for each recipient.

You can compare two versions of a document to see how they differ by viewing revision marks. You can also merge two versions of the same document into one new document.

Here are answers to some common questions about the 32-bit and 64-bit versions of Windows.

Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.

Training: With OneDrive, you can securely store your pictures and files, share and collaborate with others, and get to your files from anywhere - on your computer, laptop, tablet, or phone.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

了解如何安装 Windows 7 Service Pack 1 (SP1)。 包含有关如何获取下载、要求和其他内容的信息。