Archicad 12 System Requirements

Operating System:
Windows® XP Professional and x64 Edition

Windows® Vista Ultimate, Business, Enterprise
Edition 
Macintosh® OS X 10.4 or OS X 10.5
Note for Windows users: QuickTime 7 or later and Java 6 or later
are required to run Archicad.

Archicad installer will automatically install Java 6 and QuickTime
7 if they are not present on your computer.
CPU:
Intel® Pentium 4, or compatible processors with equal or higher
performance
Macintosh® PowerPC G5 series Macintosh® with any Intel® processor
Multicore processor is recommended to exploit Archicad 12
performance capabilities.
Read more about multiprocessing.
RAM:
 1 GB of RAM is required 2 GB or more is recommended for complex models
The maximum amount of memory Archicad can use is 4GB. Read more about this topic.
Hard Drive Space:
 Minimum of 1 GB free hard disk space is required for a full
installation. Additional 2 GB is required for work with complex projects
and 3D visualization.
Display:
 1024×768 resolution is required 1280×1024 or higher is recommended
Video Card:
 PC: Open GL and DirectX 9 compatible graphic card with 256
MB or more on-board video memory is recommended to fully exploit
hardware acceleration capabilities.

Mac: Open GL compatible graphic card with 256 MB or more
on-board video memory is recommended to fully exploit hardware
acceleration capabilities.

Read more about video card compatibility