Shaving????? need help?

so my mom told me that i can shave!!!!!!!!! yeah but i don't really how to do it correctly. wat do i need. wat kind of razor i can use? venus? idk. and is it tru that your hair will get more thicker? plz i really need help i am so happy but also scared plz help me. any tips? and i really need to no evrything!!!!!!!!!!!!! how many times a week should i shave? thank!