If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Learn how to manage the payment information and billing for your Microsoft 365 subscription.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Get the steps for turning Windows Defender Firewall on or off.

在 Windows 11 中，你决定何时以及如何获取最新更新，以保持设备平稳且安全地运行。 要管理你的选项并查看可用更新，请选择检查 Windows 更新。 或者选择"开始> 设置> Windows更新" 。 以下是你可能正在寻找的某些其他信息：

The GROUPBY function allows you to create a summary of your data via a formula.It supports grouping along one axis and aggregating the associated values. For instance, if you had a table of sales data, you might generate a summary of sales by year.

After you've signed up for Microsoft 365, you and your employees can install your Office apps. From the admin center, select Office software.. Choose a language, and then select Install.. When prompted, select Run.. Select Yes to allow the app to make changes to your device.. The installation may take several minutes, depending on your Internet speed.

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.

Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.