Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.

Find out the steps you can take if you receive a message telling you a driver can't load on your device.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

A Microsoft account is a personal account required for access to Microsoft’s products and services.

Learn how to connect devices in Family Safety and manage screen time, content filters, location tracking, and driving safety.

The Basics of Search. Returning search results is no easy feat, and involves complex, near-instantaneous algorithmic calculations. A search for something as simple as “cat” could yield over 55 million results.

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.

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。

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Questions and answers about artificial intelligence (AI), and how it's used in Microsoft products such as Microsoft Copilot.