Garrick gives you a quick tutorial on how to install Zero-G and 3rd party Kontakt Files instruments in Kontakt 5.
All you need are the Kontakt Files, and your copy of Kontakt 5, to open a Kontakt Files Instrument.
There's an article on the Zero-G website - Everything You Need To Know About Kontakt: https://zero-g.co.uk/blogs/news/every...