I'm building up a gravel bike and have managed to get my hands on a demo Di2 setup.

R785 Shifters
XTR RD
SC-M9050 Information display

Much to my disappointment I see that the M9050 isn't Bluetooth compatible as the new 9051 is. How do I set up / change the shifting options on my setup? Is there any option outside of taking it into a bike shop?

Do I just connect the battery charger to the Information Display and my laptop and run the E-Tube software?

I want to change shifting so that right side shifters go up and left side shifters go down.

I'm running 1x.