You can just google magento and read all the necessary articles. Well, I'm not sure if it'll be easy for you to find one platform related to it, but you can try.

Well, can you tell us what kind of questions you have? For instance, I recently managed to find a website where I learned how to edit config file and how to change a product sort order, I'll leave a link for you. And if that's something you need, you can check it out and find the answers that you need.