You can check your Network Speed using an online bandwidth test, such as the Speakeasy Speed Test (requires Flash).

This is the average speed for most Broadband DSL or Cable internet services in the United States.

The required Network Speed for Google Earth is 768 Kbits/sec.

Check to see if your video card meets or exceeds this requirement. The required amount of video memory for Google Earth is 32 MB.

In the Graphics/Displays pane there is a line marked VRAM (Total).

On the left side of the More Info dialog, click on Graphics/Displays under Hardware.

Click the More Info button in the About This Mac dialog.

Select Millions from this drop down menu to meet the requirements for Google Earth.

On the right side of the Displays dialog is a drop down menu labeled Colors.

In the list of Resolutions on the left side of the Displays dialog, click on a resolution of 1280x1024 or higher to meet the requirements for Google Earth.

Click on Displays under the Hardware section of the System Preferences window.

Select System Preferences from the Apple Menu.

For conversion purposes, 1024 MB = 1 GB, and the required amount of free space for Google Earth is 2 GB, so if you have more than 2 GB or more than 2048 MB available, you meet this requirement.

At the bottom of the Finder window that opened will be a line that lists the amount of available Hard Disk space.

On your desktop, double click on the Hard Drive where you installed the Google Earth application.

For conversion purposes, 1024 MB = 1 GB, so if you have more than 512 MB or more than 0.5 GB, you meet this requirement. The required total memory for Google Earth is 512 MB. In the About This Mac dialog is a line marked Memory.Check to see if your computer meets the requirement. For conversion purposes, 1024 MHz = 1 GHz, so this requirement is roughly equivalent to 1230 Mhz. The required CPU speed for Google Earth is 1.2 GHz. In the About This Mac dialog is a line marked Processor.

If the version number is less than 10.4, you will need to purchase the latest version of Mac OS X from Apple.If the version number is 10.4.0 or higher, but less than 10.4.5, click on the Software Update button to update your computer to the latest version of Mac OS X 10.4.If this version number is 10.4.5 or higher, you meet the OS requirements for Google Earth. Under the text Mac OS X will be a version number for your operating system.Select About This Mac from the Apple Menu.Click on the Apple logo in the upper-left corner of your display.

Mac os x system requirements