Current versions of the Garritan libraries are based on the ARIA Player, which includes product activation. Registration for older Garritan products is based on the Kontakt Player and is handled by Native Instruments. You can contact them through their support website at http://www.native-instruments.com/en/support/. Affected products include:
- Garritan Personal Orchestra 3 and earlier
- Garritan Jazz and Big Band 2 and earlier
- Garritan Concert and Marching Band 1
- Garritan Stradivari
- Garritan Gofriller