Before you start install process you should first install Adobe Flash Player 2020 Latest version to do not face any future issues while using mac Apps also to accelerate graphics rendering.One of the exciting new features listed by Apple is that it will stop Flash Player from running. Have downloaded flash player to MAC OS Catalina v.10.15.6, the program can find in MAC, but cannot use, can anyone know what is the problem ? Correct answer by Test Screen Name | Most Valuable Participant Probably, you chose to download Safari 14.