Hi @vijaymahajceb3 ,
It is always appreciated when someone starts learning. If you want to learn Magento from Scratch then the best way to start with official documents provided by Magento.
Furthermore, you can also deep dive with a comprehensive guide on Magento 2 | Start Your E-Commerce Store From Scratch.
I hope this answer solved your query. If you find my answer helpful, then hit kudos and accept it as a solution.