First, I want to thank the community for your quick and helpful replies. I can feel I am among others that follow the "golden rule", to treat others as you wish to be treated, so thank you.
I understand my original question was vague, so I'll try to take this one step at a time. I'm just overwhelmed because I'm literally drowning in Amazon boxes at this point and am losing track of whats what.
My first goal is to get this Arris 250 BNF running. Forget the other FC I listed before, I have a bunch lying around now but I'd really like to just get the hang of this before I try upgrading the FC on this pre-built.
I have this:
https://www.amazon.com/FPV250-Racing-Drones-Quadcopter-Assembled/dp/B00TDHAZQ0/ref=cm_cr_arp_d_product_top?ie=UTF8The details claim it has a CCD3 flight controller. After not getting CF to recognize it, I started up LP and got it to read the real time data (it was showing compass heading, artificial horizon, etc). I attemped to update the firmware with the CCD3 link on this page:
http://opwiki.readthedocs.io/en/latest/appendices/bootloader.htmlSince then, windows no longer shows ANYTHING in the device manager when I plug it in, and all I can do is load firmware via LP. I've tried a few different .opfw files to no avail. I'm guessing I'm loading the wrong firmware? And also, CleanFlight does not work at all. It shows COM1 as the only possible connnection and does not connect.
I hope I've outlined this in a way that is east to understand. Any input is greatly appreciated.