Comparison of Safak's React-Mini Branch and Issues Faced with 'Hello World' Display

[ZAINKHAN25]

You can see at the following link that Safak has cloned a single branch, "React-Mini." Subsequently, he installed dependencies, and upon entering the project, the home page for eCommerce is ready.

Error
However, when I clone the "React Mini" branch and start the project, it only shows "Hello World."

YouTube Link
https://www.youtube.com/watch?v=BCkWFblNLKU&t=408s