It is important to note that Google Earth Pro has minimum system requirements to run on your computer. Here are some points that you should likely consider before installing Google Earth Pro on your system.
If you are using Windows XP platform on your computer, then you should be in luck because it is one of the key requirements. Another thing is that you have to secure at least 512MB of system memory or RAM, as well as 500MB of free space on your hard disk. Moreover, you should have at least a working Internet with speeds at least 128Kbits/sec. Preferable version must be at least Windows 7, 8, or 10 and a system memory or RAM of 1GB and 2GB of free hard disk space.
You should have at least a Mac OS X 10.6 or higher and a RAM of 512MB to go with the 500MB of free hard disk space. However, the most suitable specification would include a Mac OS X 10.6.8 or newer. At the same time, a preferable system memory of 1GB with free hard disk space of 2GB or more.
If you are going to run this app on an Android device, make sure that it is made sometime in 2010 or newer and should be running at least with OS 2.1 or later. Moreover, it should have at least a system memory of 35MB and a RAM of 211MB or higher. Your system should also have at least a dual-core processor in order to view in 3D version.
The latest version of Google Earth Pro is 18.104.22.16830 which you can download from its official website https://www.google.com/earth/download/gep/agree.html. Simply click on the link to automatically download the most recent version of the app on your computer.