You can't. We will all be rich otherwise.
While project idea/solution, team, coin count, market cap, marketing, country of origin, etc. play as factors...populace adoption is the biggest thing which cannot really be predicted. This is the reason P&D work so well in crypto...even when they do it on really shitty coins. The illusion of fast and massive gains blind a lot of investors because of FOMO.
You can, however, increase your changes by doing your research on all of the enumerated items above. Then form your own conclusion.