http://www.toonboom.com/products/toonBoomStudio/systemRequirements.US.html Macintosh: System Requirements PowerPC G5, G4 (Minimum), or Intel(R) CoreTM processors Mac OS X v10.3.9 (Panther) or v10.4.x (Tiger) 512 MB Ram (Recommended), 256 MB (Min.) 120 MB of available hard disk space 24-bit color display, with 64 MB or 8 MB (Min.) video RAM, 1024x768 resolution Wacom Tablet (Recommended)