How to change blog columnes

You’ll have to ask the developers of the theme – as I posted in your other thread, people here do not know how commercial themes work, sorry.

http://codex.wordpress.org/Forum_Welcome#Commercial_Products

If you aren’t getting adequate support, perhaps you should find another theme that IS supported here – any of these:

https://wordpress.org/themes/

Hello,
I would like to change my blog-posts into 3 colums on the presentation page, but it does not work.
Even if I change within tempera-settings the colums to 3 or 4 it always stay 2 colums. Can you help me?
Thanks a lot.
http://www.westernriding-bc.com