It is overwhelming, isn't it? I would suggest reading through the threads new and old. You will learn about so many different plans that people here are doing.
It's about a lifestyle change. Read,read, read. You will find something here that will call to you. Something you will know you can live with.
If you can, get one of the apps like LoseIt or My Fitness Pal. Track your food, your exercise, and your weight .
Come to the forum post,ask questions, participate.
This is a great group of people, willing to share what they have learned.
I hope this helps, I look forward to seeing you on the forum.