Your question is too general, try to be more specific next time. Altcoins are earned through participating in bounty campaigns and airdrops, trading, gambling, betting, investing, etc. I don't know what advice to give you but I suggest that you first get your rank up for you to be able to participate in bounty campaigns or airdrops. The higher your rank the higher rewards you earn from bounty campaigns. If you plan on investing on an ICO you should first do research regarding the coin and never invest all your money in one coin for you to avoid great loss of profit.