If you familiarize yourself with something, or if someone familiarizes you with it, you learn about it and start to understand it. 
 I was expected to familiarise myself with the keyboard. [VERB pronoun-reflexive + with]  
 The goal of the experiment was to familiarize the people with the new laws. [VERB noun + with]   
Synonyms:  accustom, instruct, habituate, make used to