Ah yes, the port on the top of the esc - it couldn't be easier.
Just check for proper poles - match up your ground/black wires. Plug in, turn on esc, card lights up. Power down, remove it, re-power and new settings are programmed.
I run full low acceleration and braking to smooth out control for crawling. My buddy's rigs will do wheelies and stoppies with the trigger - I can do without that. LOL
And 25-50% reverse for 3s. I don't need it to go 10mph in reverse. I run larger pinions too, for a little extra speed. If you're not careful you'll break stuff. 15-16T