Susan,
Check
here.Minimum:
OS: Windows® XP SP2/Vista™
CPU: 1.5 GHz Pentium® 4/Athlon™ XP 1500+
RAM: 512 MB
Video Card: 128 MB DirectX® 9
Compatible Graphics Card
Sound Card: DirectX® 9 Compatible Sound Card
DirectX®: DirectX® 9.0c or Higher (Included)
CD-ROM: 4x
Hard Drive Space: 2.5 GB
Peripherals: Keyboard, Mouse
and Speakers