Depending on your background your learning curve will vary.
There are many good step by step tutorials.
Just find the appropriate one for your OS.
Let us know on here what OS you are using, and we should be able to direct you to a suitable one.
If you really need it, I’m sure there will be a few that are willing and able.
There are also plenty of threads on here, but easy to get lost in them
I can’t speak for everybody, but I think this community is more community minded and payment wouldn’t be accepted, maybe just
the offer of a beer 
if you ever meet in real life.
Hmmm, Still a handy bit of kit in theory, you just need to be aware of its limitations.
When you get your Proxmark and you are all set up and running.
Hopefully this guide will help you out.
Please let me know if you spot any mistakes or omissions