Check out the getting started document to learn how to configure and run your solution.
Getting StartedCheck out the web application development tutorial document for a step-by-step development sample.
Web App Dev TutorialCheck out the ABP Community Platform to read useful posts for ABP Framework.
ABP CommunityCheck out the Mvc document to learn the key points for the user interface (client side) development.
Mvc DocumentationCheck out the Entity Framework Core document to learn the key points for the database layer development.
Entity Framework Core DocumentationCheck out the application startup template document to learn the architecture and the structure of your solution.