Hello Bofish,While researching about the issue, I came across the following articles and threads: Hope this helps!   
 I've install A Google earth Back in May but unsure is 64 bit, I've installed googleearth A 2nd time from download.com but only in x86. Is their a version for windows8 and 64 bit for free version only, I've found [URL] claims 64bit google earth,reply soon? I have A dellxps 8500 ,intel core I7-3770 3.4 Ghz    Windows 8 64 bit ie-10, Google earth, google toolbar, Norton toolbar, unity ,flash player ,adobe reader touch office home and student 16gb RAM,1gb GeForce620 gt Have Norton 360 Version 6 and  Motorola 2210-02 dsl modem have att dslHardware peripherals  Dell E2313H 23 monitor canonmg8220 inkjet printer 
Is their Google earth 64 bit enhance for Windows8