The mission of the astronauts on board is to test the damn Orion spacecraft in preparation for a human landing on the moon.

> NASA flight controller and instructor Robert Frost explained the reasoning plainly in a post on Quora (via Forbes). “A Windows laptop is used for the same reasons a majority of people that use computers use Windows. It is a system that people are already familiar with. Why make them learn a new operating system,” he reportedly wrote.

https://www.msn.com/en-in/technology/space-exploration/nasa-...