How do I make my DPI higher?

Hey there, I'm curious about how to boost my DPI, could you please elaborate on that? I've been trying to find ways to improve my gaming experience and heard that increasing DPI could be a good step. Could you walk me through the process of adjusting it, and maybe give me some tips on what DPI settings work best for different types of games? Also, are there any potential drawbacks to cranking up the DPI too high? Thanks in advance for your help!