You need to read more than write, and then you will realize that all your questions already have answers. Read the rules of the forum so that your journey into the world of Bitcoin is not interrupted prematurely - https://bitcointalk.org/index.php?topic=1042322.0 In addition, it will be useful for you to read the pinned topic in this section "Newbies - Read before posting" - https://bitcointalk.org/index.php?topic=1689727.0