Hi, Shawn —
Thanks for the good question.
It depends. If you were baptized as a Catholic:
- Go to Confession and share with the Confessor what you've told us.
- Start making your Sunday obligation, (Sunday Mass), and
Find out what we believe by getting a copy of the Catechism of the Catholic Church.
You can get them pretty cheap on-line.
Also start a daily prayer life, if possible, I'd recommend saying the Rosary.
See if there are any ministries the parish has, that you like, and can get involved in.
If you are a baptized non-Catholic Christian or non-Christian consider buying a cheap copy of the Catechism of the Catholic Church.
Another great resource we have is our Recommended Reading page.
For the non-Catholic Christian, I would personally recommend: