... Before proceeding to the download area, you are requested to fill a questionaire about your current and future needs concerning SAS , in terms of operating systems supported, hardware, etc. ... For each supported operating system listed above (except Mac OS X and Windows) you must download four tar.gz archives. ... The first two tar.gz archives are common to all operating systems: . ... For Mac OS X 10.2 and 10.4, the four tar.gz archives are placed in its specific operating system directory. ...