NativeScript is a powerful open-source framework for building truly native mobile applications using web technologies like JavaScript, CSS, and XML. In this step-by-step guide, we will walk you through the process of getting started with NativeScript. From setting up your development environment to creating your first app, understanding components and UI, implementing business logic, styling and theming, testing, debugging, and finally deploying your NativeScript app, this comprehensive article will provide you with the essential knowledge and practical insights to kickstart your journey into mobile app development with NativeScript.