Animation Nodes is one of the hottest addons available for Blender 2.8x right now. Learn where to get it from, how to install it and how to create a most basic node setup.
Download the animation nodes addon from Animation-Nodes.com. In case of problems you can refer to the troubleshooting section in the installation manual. In case you are using Windows 10 you might need to install vc_redist.x64.