There is a new version 1.8
Shows shadows on standard FSX runways and taxiways.
Note: There was an issue with 1.7 released yesterday which caused markings to be lost if this new option was selected – this is now addressed in version 1.8
Fix for crash if fsx.cfg is deleted
Fix for blue land if sky reflection slider is 100%
Just download the zip file and run the installer. There are some installation notes in the zip file as well