Let’s be brutally honest: Graphisoft no longer hosts ArchiCAD 2009 for public download. Their official site only supports versions going back 3-4 years.
So, where can you get a legitimate file? "Best" here means safe, not pirated. archicad+2009+download+fix+best
Since Graphisoft has officially abandoned 2009 activation, the "abandonware" status applies. The safest ISO (Disc Image) is hosted on Archive.org: Let’s be brutally honest: Graphisoft no longer hosts
Most "ArchiCAD 2009 download fix best" searches fail because they ignore the WIBU driver conflict. archicad+2009+download+fix+best