En esta dirección podras ver los requerimientos minimos y los recomendados aparte de otras cosas:
http://www.aerofly.com/www/requirements.html
Minimum system requirements
* 100% Intel Pentium 4 or AMD Athlon64 compatible CPU with at least 1.5 Ghz
* 256 MB RAM ( 512 MB for Windows 2000/XP, 1GB for Windows Vista )
* 2 GB free hard disc memory
* CD-ROM drive
* OpenGL Version 2.0 compatible 3D-graphics card with 128MB (also read here)
* 100% DirectX compatible sound card
* Windows 98SE/ME/2000/XP/Vista
* A free USB port and a trainer output on your transmitter
Recommended system requirements
* Intel Pentium 4 with 2.0 Ghz or
Intel Core 2 Duo with 1.8 Ghz or
AMD Athlon64 / AMD Athlon X2 with 1.8 Ghz
* 1 GB RAM
* OpenGL Version 2.0 compatible 3D-graphics card with 256 MB
* For optimum sound quality we recommend a high quality standalone PCI soundcard, e.g. Creative Audigy.
Saludos!!!