[quote]What do I do?[/quote]
Move on, pal.
The “she still cares for me and says she loves me, but is not in love with[sic].” is a hot steaming pile of b.s. For whatever reason, she does not want to be with you any longer.
[quote]I am wondering what would be the steps to get back in my life, have her realize that I made a mistake and I have changed? [/quote]
That only happens in the movies. You’re better off walking away like a man with your self-respect than you are begging and pleading with her to come back to you. It’s tough, but that’s what you have to do.