First of all, you need to assess all the risks. Investing is primarily a risk, so you can not invest in cryptocurrency the amount you are afraid of losing. It is also necessary to study the cryptocurrency market, choose your favorite, get a reliable wallet, where your cryptocurrency will be stored. You can buy it on any exchanger or exchange, but be careful, there are a lot of scams in the network! Before you buy, carefully study the market, do not buy the currency when it is at its peak, it is worth waiting for the fall.