1. Install Contact (Kontakt 6.1.0 Setup PC.exe)
2. Install the "improvements" (Kontakt_patch_installer_6_1_0.exe). The patch raises the status of Contact with DEMO / Player to Full with additional features.
If Kontakt 6 is already installed, just install the patch.
Kontakt 6.0.2 / 6.0.3 / 6.0.4 NO INSTALL Update:
Replace the executable files of the format you use and the bitness (Kontakt.exe, Kontakt.dll, Kontakt.aaxplugin) from the patch folder.