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。

Obtenga información sobre cómo activar Windows con una clave de producto o una licencia digital, comprobar el estado de activación y vincular su cuenta de Microsoft.

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.

Rename your device to make it easier to identify if if you use multiple computers with your Microsoft account.

Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

Learn more about what background apps are in Windows and how to turn them off when you're not using them.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

Узнайте, как добавить приложение для автоматического запуска при начальной загрузке.

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.