hello...   i have hi sierra mac... Logic Pro x ....

my piano seems to be installed in logic pro instruments...

BUT, when i go to activate it as requested, it seems to be downloading the 14.88 gigs of piano zip file once again, which will take yet another

5 plus hours... any ideas why this is happening??? it does not seem to be downloading a download key... it says in download that it is the same 

CFX concert grand zip... what am i doing wrong please?