I have a full installation of Komplete 9 with Kontakt 5.6.6 on a MacBook Pro (late 2013) running OS X 10.13.6 (High Sierra). I want to use some free Kontakt sample libraries, but I need Kontakt 5.7.3 to do so. How can I upgrade Kontakt from 5.6.6 to 5.7.3 with the least amount of hassle?