Where/How and what do i have to do to get a ged?

Well, I'm 16, and I'm in the 10th grade i've had some problems with some of my family, and i can't go to school due to that problem, its really complicated and i don't really feel like i should talk about it. I just really want to know what can i do? where can i go to get my ged? is there a program? or something? something online? please i really need the help! :(