[Help] Cracking a license program?

Hi,

First, sorry if i'm not posting in the right place, I tried my best.

My question is : is it possible to crack a license program?

My example is a program you can download on realmbot dot xyz in the download dot php page.
(a little tool for a game I play)

When you launch it, a cmd-like window appears and a short time after it will open the "license" window

I would like to simply bypass that window and go to the next step
I tried to do it by myself with olly but I wasn't able to.
I hope this was clear, I would be really happy if I got an answer.

Thank you,
Zenoxis.

Use debugger like OllyDbg, find API call that compares two strings, e.g license key and input key.