More specifics about what you need to run Google Earth...
Minimum configuration:
Operating system: Windows 2000, Windows XP
CPU speed: Intel® Pentium® PIII 500 MHz
System memory (RAM): 128MB
200MB hard-disk space
3D graphics card: 3D-capable video card with 16MB VRAM
1024x768, 32-bit true color screen
Network speed: 128 kbps ("Broadband/Cable Internet")
Recommended configuration:
Operating system: Windows XP
CPU speed: Intel® Pentium® P4 2.4GHz+ or AMD 2400xp+
System memory (RAM): 512MB
2GB hard-disk space
3D graphics card: 3D-capable video card with 32MB VRAM or greater
1280x1024, 32-bit true color screen
Network speed: 128 kbps ("Broadband/Cable Internet")