The start the application locally follow these steps:

1. Clone or download the source code from GitHub.
2. Install the required dependencies using npm install --save.
3. Check and activate your license - https://www.telerik.com/kendo-react-ui/components/my-license/
4. Run the application using npm start.
5. To build it for production with the profiler active using the command npm run build -- --profile.
6. Then serve the create production build with serve -s build.
7. Observe the real performance results from the production build.