Win + X + U + U

The video provides a quick and useful tip for computer users, demonstrating a shortcut that saves time. The visual aid of the book suggests a comprehensive learning resource, appealing to those who prefer self-study.

The video demonstrates two keyboard shortcuts for Windows computers: Win+X+U+U to shut down and Win+X+U+R to restart. It also shows a book titled "Computer Basics" as a resource for learning computer skills at home.