It's a long day for sure and You would want a full lift.
I know people have done these on jack stands and I think that is crazy.
Here is a picture of everything that needs to come off from behind the transmission.

Then you drop the transmission


Swap out the parts, then install everything in reverse order and bleed the system.
Unfortunately I am physically not able to help, but I believe I remember enough that if I am available I could walk you and some other competent people through it.
With your level of HP, I think you should just get a stock clutch. I personally think the previous owner of your car didn't know how to drive and that's why you need a clutch. It was shifting bad before you had the tune uploaded.