This Update contains many improvements since the original release of ARCHICAD 20. From version 20, ARCHICAD and BIM Server are Updated with two separate packages. The ARCHICAD package can only be used to update ARCHICAD and the installed GRAPHISOFT Add-Ons and Goodies, while the BIM Server package can only update the installed BIM Server.
BIM Server 20 Update 4017 is the latest available version that is compatible with this ARCHICAD Update. To be able to install BIM Server 20 Update 4017, BIM Server 20 Update 4009 needs to be installed first.