go get github.com/casbin/casbin
npm install casbin --save
Require this package in the
composer.json of your project. This will download the package:
pip install casbin
Casbin4D comes in a package (currently for Delphi 10.3 Rio) and you can install it in the IDE. However, there are no visual components which means that you can use the units independently of packages. Just import the units in your project (assuming you do not mind the number of them).