Hey FunIntended, welcome to the forum!
Here's our small tutorial that we have on the firmware page, your Model Number is really easy to obtain:
There are several ways to locate your model number:
On your device, go to Settings, then "About device" and scroll down to "Model number"
Often times you can view the model number inside the device, by removing the battery
Using Samsung's model/serial number location tool, located here http://support-us.samsung.com/cyber/popup/pop_modelserialnumberlocation.jsp
PS: we have a tiny window right under the search bar that pops up when you click it, giving you these options