The best way to get started with Angular is to learn Angular basics. There are many tutorials and guides available online which can help you get started with Angular. These tutorials cover topics like installation, basics of Angular and its core features, etc.
First thing you need to do is set up your development environment with the latest version of NodeJS and NPM. Then, you can use Angular CLI to create new projects, which will generate all the necessary files for you. You can find out about them in this article: https://angular.io/start