This article was written for beginners using Logic. If you have never installed a third party plugin or instrument plugin in Logic this article will help you get started.
First, Lofi Panda is classified as an instrument plugin.
This means, in order to open it in Logic you first need to load in an instrument track. Lofi Panda will not show under your plugins dropdown inside of any other type of track.
This video shows step by step how to install and load third party instrument plugins inside of Logic: