Add Library 4.2.dmg , Imac 2011 , Montery OPCLP 2.4.0

Hi, Guys

Please help I want to install add library on imac 2011 , Monetery 12.7.6 with OCLP 2.4.0, I want to use the software add library for ImacOS v4, in Kontact 8.3.

See attached picture.

Please help.