There are several Diffrent versions of this disc. All the current versions of this disc use an auto run that opens an HTML document, usually in windows internet explorer. The driver update is sent only as a supplment, from our burnroom. On the versions 2.x the second number relates to which month of the year the disc was put out in (2.1 was january, and 2.2 was put out in Febuary, ect . . . 3.1 would be the disc put out in 01-01--03)