Windows Multipoint Server is like a big computer that a teacher or a group of friends can use to learn and play together. Imagine you have a computer at home, it works fine but can only do one thing at a time. If you want to play a game with your friend, they have to wait for you to finish before they can use it. But with Windows Multipoint Server, you can connect a lot of mice, keyboards, and monitors to the same computer and share it with your friends.
Just like in a classroom, the teacher is in charge of the computer, and they can control what everyone is doing on their own screen. They can also assign different tasks to different friends. One friend may be practicing math, while another is drawing or reading a story.
Windows Multipoint Server helps schools and organizations to save money and provide everyone with access to modern technology. Because there's only one main computer, it's easier and cheaper to maintain and update. And since everyone can use it at the same time, more people have access to the power of technology even if they don't have their own computer at home.