Because your system is set to 2026, ArchiCAD 2009 will show "License expired." You have three "best" options:
Consider BlenderBIM , FreeCAD BIM workbench , or BricsCAD Shape (free tier). archicad+2009+download+fix+best
: Once you've found a reliable source, proceed to download. The file will likely be an executable (.exe) or an ISO image. Because your system is set to 2026, ArchiCAD