These are user to user forums. There insn't anyone here who can help you.
You are not addressing Adobe here. You need to contact Adobe directly.
Maybe another user knows where to get CS6 from, but I sure don't. Sorry.
…Looks like a mistake to have signed up at all…
As you can imagine, I would personally agree with that statement and that's why I did not sign up to the Cash Cow model myself.
But since you signed up anyway, what's your objection to Photoshop CC?
Did it. Thank you.