Archicad 9

ARCHICAD 9 has been released in 2004, as the flagship product of Graphisoft, available on both Macintosh and Windows platforms.
The major features themes of ARCHICAD 9 include: ARCHICAD versions

ARCHICAD 9 System Requirements

ARCHICAD 8 version's OS, CPU, RAM, Video Card, etc. requirements:

Converting ARCHICAD 9 files

From Graphisoft page you can download old ARCHICAD packages which are pre-installed and updated to the latest available build. You can use these packages to convert your old ARCHICAD files to a format which is supported by current ARCHICAD versions: