Permisions Cs-Cart

Hi,

I have a question, what are the correct permision on folder and files cs-cart?

I read this: CS-Cart Documentation — CS-Cart 4.15.x documentation .

But i have a problem to delele the folder with 777 permisions, or i cant put it back in 755.

Can somebody explain my more explicit with the permision of cs-cart.

Thansk.