1.— You are not addressing Adobe here.
2.— CS6 (Photoshop 13.x) is still being sold and it is the last perpetual-version of Photoshop to be sold, forever. New versions are by subscription only.
3.— Photoshop CC (Photoshop 14.x) has already been superseded by Photoshop CC2014 (Photoshop 15.x).
4.— The 30 day trial of Photoshop CS6 13.0 is available as a free download to anybody who wants to try it. You should be able to find it in this web site, but if you're having trouble finding it:
Thanks, sorry for the trouble.
Thanks for the quick reply.