installing airport drivers and 3d graphics on macbook pro

hi i want to install the wireless airport for my mac and if its possible the 3d graphics drivers for my gpu. can anyone help me please?

MacBook Pro, Intel Core 2 Duo 2.4GHz, 2GB RAM
Wireless Card Type: AirPort Extreme (0x14E4, 0x8C)
Wireless Card Firmware Version:Broadcom BCM43xx 1.0 (
Chipset Model: GeForce 8600M GT
VRAM (Total): 256 MB