System requirements:
Microsoft® Windows XP Professional with Service Pack 2 (recommended), Microsoft® Windows XP Professional x64 Edition, Windows 2000 with Service Pack 3 or 4
Intel® Pentium™, Intel® Xeon™, Intel® Core™, Intel® Core™2 Duo, Intel® Core™2 Quad, AMD® Athlon™, AMD Athlon™ X2 Dual-Core - class processor (emphasized processors are recommended).
1 GB RAM or more (2 GB or more recommended for large CAM-Parts machining)
An OpenGL workstation graphics card (512 MB RAM recommended) and driver
@kachiusa185: so, you can not runt it with Vista operating system