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Well welcome to the forum. I would suggest you look at all the FAQs so you can understand everything in here. We have three games going currently and you should be able to join them. I believe all three are based on the 3.5 system. Look around and see if this is what you want. If it is create your character of characters and we hope to see you in the gaming area.
Look here Source 5 for a guide of how to make a character in the D&D RPGs. This guide will explain a lot and you will be better prepared. Good luck.