I love Google Earth and have used it for years with my students. Because of the price, I did not use the Pro version although there were some features I really wanted to use. Now I can! I can’t wait to see what teachers and students come up with using the Pro version.
Get License Key: https://geoauth.google.com/gev0/free_trial.html
You can check out the some of the features of Pro here:
Google Earth Pro Advanced Measuring Tools
Google Earth Pro Map-Making Tool
Google Earth Pro data import tools