The text refers to Archicad 28 , a Building Information Modeling (BIM) software developed by Graphisoft for architects
System Requirements – Archicad 27 - Graphisoft | Australia GRAPHISOFT Archicad 28.0.2 Build 3110 -x64- C...
to version 27 directly; further back-saving requires opening the file in version 27 first. Performance Management : For large projects, users can split the Layout Book from the source model to improve file handling and speed. Graphisoft Typical System Requirements The text refers to Archicad 28 , a