This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Update Microsoft Store. Select Start, then from the apps list, select Microsoft Store.In Microsoft Store, select Library > Get updates.If an update for Microsoft Store is available, it will start installing automatically.

Learn how to view, manage, and delete cookies in Microsoft Edge.

Find answers to common questions about genuine Windows software.

如果在设置中打开用与首选语言不同的语言编写的页面，Microsoft Edge会自动提示你翻译它。 转到用外语编写的网页时，“翻译”图标 显示在地址栏中。 如果语言未包含在设置中的首选语言列表中，则该语言被视为外在语言。

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

We’re continually releasing updates to our application, based on customer feedback. Check out What's New in the latest updates for Skype on desktop and mobile.

Learn how to get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.