: The "Full" version of Kontakt is required to play third-party libraries that aren't "licensed for Player." If you see "Demo" mode on a library, it usually means you are using the free Kontakt Player rather than the full version.
If you are managing a massive collection of instruments (often referred to as a "Mega" pack): Batch Re-save : Use the "Batch Re-save" function in the Files menu. This fixes long load times kontakt 6.7.1 full mega
If you are looking for actual music or instruments to use with this version: : The "Full" version of Kontakt is required