what do you mean by how to get bitcoin ? want to get free bitcoin or anything else ?
1. You can buy bitcoin using fiat money.
2. you can sell your product for bitcoin.
3. you can earn bitcoin from freelancing.
4. By doing bounty in service section,you can earn bitcoin but According to your rank not possible to earn bitcoin.
if you want free bitcoin then it's impossible. you will get free bitcoin from faucets but it's waste of time.