All of Mister Horse products & plugins can be installed using Mister Horse Product Manager. This is the app you can download from Premiere Composer website.
1. Open Mister Horse Product Manager.
You can launch it directly as a regular application, or open the app from Premiere Composer via plugin’s menu:
1. Install the product.
Simply click the button "Install". That will download and install the product.
After this is done, the new items should pop up in your Premiere Composer.