Once I was also a beginner and now I am about 4 months behind to complete my 2 years journey into crypto world.
And I want to welcome you to our awesome community. Stay in this forum/community and one day you will be a fan of this forum/community.

1. As a beginner you should first gain knowledge about cryptocurrency (bitcoin / altcoins). You can read around in this forum to learn about it.

2. There are multiple ways to earn bitcoin, other altcoins from this forum.
    

• Free Way: Faucets
• Free Way: Social Campaigns (Twitter / Facebook / Telegram etc)
• Free Way: Signature Campaign (You need to be a quality poster. Signature campaigns pays very handsome amount)
• Free Way: Offer your service for bitcoin/altcoin. Such as graphics design, web design/development, writing, translation etc.
• Free Way: Sell goods or digital goods for bitcoin/altcoin.
• Free Way: Mining by NiceHash, MinerGate (I haven't tried yet so I can't tell how much you can earn)
• Free Way: Rent your extra hard disk space to Storj (I haven't tried yet so I can't tell how much you can earn)
• Investment Way: Trading
• Investment Way: Gambling
• Investment Way: Lending in this forum lending board and poloniex
• Investment Way: Invest in casino bankroll (crypto-games.net / bitvest.io)
• Investment Way: Invest in ICO (But find the best ones)

3. It will depend on your location. If you are in a location where exchanges are available then you can withdraw from there. Otherwise you can ask for community help in currency exchange board. Maybe you can convert your coins into fiat currency and transfer it to your bank account. Or try to sale Btc and ask for direct bank transfer in currency exchange. But be careful, choose reputed members only.