Internet Explorer 7+ : Download IE7

Google Earth Plugin : Download Google Earth Plugin

DirectX : Download the latest version of DirectX

Minimum:
* Operating System: Windows 2000, Windows XP, or Windows Vista
* CPU: Pentium 3, 500Mhz
* System Memory (RAM): 256MB
* Hard Disk: 400MB free space
* Network Speed: 128 Kbits/sec
* Graphics Card: 3D-capable with 16MB of VRAM
* Screen: 1024x768, "16-bit High Color" - DirectX 9

Recommended:
* Operating System: Windows XP or Windows Vista
* CPU: Pentium 4 2.4GHz+ or AMD 2400xp+
* System Memory (RAM): 512MB
* Hard Disk: 2GB free space
* Network Speed: 768 Kbits/sec
* Graphics Card: 3D-capable with 32MB of VRAM
* Screen: 1280x1024, "32-bit True Color"