My name is Alexander Shabaev, I am a sales manager at CS-Cart.com.
I will be glad to answer your questions.
You may download CS-Cart User Manual from the following page of our website:
[url]CS-Cart Documentation — CS-Cart 4.15.x documentation
Feel free to use our Knowledge Base ([url]CS-Cart Documentation — CS-Cart 4.15.x documentation) which contains a great number of articles on CS-Cart operation.
Also, you may refer to our [url]http://docs.cs-cart.com/[/url] resource to find out more about how to create custom code for a CS-Cart store and learn CS-Cart architecture.
I hope the provided information will be of help to you.