1: Uncompress the downloaded .rar file in your favourite Sample Libraries folder.
2: Kontakt patches are stored in Instruments folder.
NOTE: Please, remember to keep both files and folder structures or Kontakt will pop-up an error message asking for missing files. In that case, all samples are stored into Samples folder.
You need FULL version of Kontakt 5.1 or higher in order to properly load this library. Kontakt Player is not supported