Operating Systems: Microsoft Windows 2000/XP Pro Macintosh OSX 10.2 &10.3   Minimum Hardware PC: Pentium IV compatible, 512 MB RAM Mac: G4, 1GHZ, 512 MB RAM   Recommended Hardware PC: P4 2 ghz, 1 GB RAM, Standard OpenGL video card with 128 MB RAM Mac: G4, 1 GB RAM, Standard OpenGL video card  Hard Drive Space Minimum 500 MB free for full installation 1GB recommended for working with complex models. Display 17" high resolution multisync monitor minimum, 19-23" recommended. Minimum 1024x768 resolution with 1280x1024 recommended. Standard Open GL graphic cards are recommended with onboard video memory of 64 MB or more. To find compatibility data for Open GL VGA-cards, please visit the following website: http://archicad-talk.graphisoft.com/compatibility.php Plotter & Digitezer Drivers All major plotters, printers and digitezers can be driven directly from ArchiCAD and PlotMaker, including Hewlwtt-Packard, Calcomp, OCE, Graphtec, EnCad, Summagraphics, Texas Instruments, Mutoh, Mimaki and Versatec. No additional software is required.