Myst IV Revelation sends players back to the story of the first game, where the evil brothers Sirrus and Achenar were imprisoned inside two books. Atrus, their father, was implored to release them, however, and in the process, his daughter Yeesha disappears. Players must search through four different ages, or worlds, to find Yeesha.
21/4 - Tim Hurst
If you have problems installing the game because the copy protection stops you from changing discs then all you need to do is to use Disk Copy on the first dvd and install from that with the second disk loaded.