When you run it, the program takes you on a beautiful trip through an island paradise that has been perfectly rendered in 3D. This is very similar to what you can see in Crysis. The main difference, of course, is that you can't move around or interact with your surroundings, just observe them.
Before and during the show, you can adjust the different options to improve or worsen the image quality, so that you can obtain the average level of detail that is best for your computer.
Uningine Benchmark is a very useful tool that will allow you to test your computer yourself and see if it is as powerful as you thought it was.