Kasey, calm down. He's new.
Gray Fox, listen. A few things you should do are
1. read the FAQ, they will help more then you think.
2. If you want to play ESF do the following.,
1. Install Half life 1. (if you don't have it you should go out and buy it)
2. Make sure you have steam, which I can see you already do.
3. Make sure you play Half Life at LEAST once.
4. Install ESF beta 1.2.3 FULL VERSION
5. Now you are ready to get addicted. Enjoy.
If you have any further questions, or problems, the FAQ will most likely answer any question you many have.