At the top of every subsection is a list of FAQs... what you have asked is covered in these faqs. Due to this, you will get quite a bit of neative responses. There is also a search function. You may want to explore it.
This forum is a resource for research, but not a hand holding service. We expect the new users to do a little work before we generally respond.
I see your new so please dont take this offensively. So far you got off easy.