Adobe After Effects CC and its specifications for users

I wan to know what are the windows included in Adobe After Effects CC. I would like to ask what are the system requirements. What’s new with its workspace and workflow? What are the added features in this software that is not in the previous versions? What are the changes made in creating projects and compositions? What about importing footage? What are the extensible options embedded in this software? What is CINEMA 4D? What is the purpose of this in the software? Please provide me information in this software? Thank you very much and have a nice day!