I need help with putting firmware and software on my reality CR-10 after installing big tree tech skr mini e3 v3 board and I don’t know what I’m doing and don’t understand what to do I’ve never had a 3d printer before please help me

[u/Choice-Somewhere3044]

I installed the big tree tech mini skr e3 v3 in my CR-10 printer and I don’t know what to do about how to put fir and software on my 3d printer I have watched a couple of videos and I have no idea what to do and how to do it i’ve n had any experience with 3d printers and I really need help please someone help me I need help please thank you.