Version 15 of NgRx introduces Standalone APIs, facilitating its integration with Angular applications that use Standalone Components, and Nx provides tools to streamline this process. The article demonstrates how to create a new Standalone Component-based Angular application and add NgRx using only Nx Generators. By following a series of commands, users can set up a new Nx Workspace, generate a root state, and create and integrate a new feature library for user management. This setup leverages the latest NgRx Standalone APIs, showcasing the addition of NgRx functionalities like provideStore and provideEffects within Angular applications. The guide emphasizes the simplicity and efficiency of using Nx for these tasks, aligning with Angular's shift towards Standalone Components as the preferred development approach. It also highlights resources for further learning and assistance, such as video tutorials and example repositories.