What is the best way to learn religion on your own from scratch, what are the recommended books in various fields, is it better to read a complete book or parts from multiple books, and is it permissible to download books electronically?

We have previously clarified this matter in previous fatwas. A student of knowledge should establish a program for seeking sacred knowledge, which he follows regularly and patiently, with the necessity of having a shaykh under whom the student cultivates good manners and who guides him when needed.