Hallo,
i'm a beginner bitcoin user 
i want to ask some questions to you old users.
1. As a beginner, what should I do first time?
2. How can i get
BTC?
3. Then, how can I make to redeem the BTC?
thanks for the answers

Greetings

1. Follow bitcoin talk and read as much as you can about the market and exchanges.
2. You can get BITCOIN from any of the platforms like Coinbase, Poloniex and others.
3. Trade wisely and don't panic when the market is at it's low.