Windows
800 MHz Intel® Pentium® III
Microsoft® Windows® 2000/XP or Vista (XP requires Service Pack 2)
256 MB of RAM
100 MB of available hard disk space
24-bit colour display capable of 1024x768 resolution
Video card supporting Direct 3D or OpenGL
Wacom® Tablet (Recommended)
Free Apple QuickTime® Player version 5, or later

Mac
PowerPC G5 (Minimum) or Intel® Core™ processors (recommended)
Mac OS X 10.4.x or later
512 MB Ram (Recommended), 256 MB (Minimum)
120 MB of available hard disk space

You will need an internet connection if you are going to explore the LESSONS section of the program.

While a drawing tablet is not required and you can have plenty of fun using the mouse with Animation-ish, having a drawing tablet will help you increase your enjoyment. Drawing tablets have become very affordable recently so do investigate using one. Wacom makes very good entry level drawing tablets.