Help with Quickstep Theme

Hi everyone, I bought the theme Quickstep and I need to know How to add more templates such as the ones that are already (fullwith,blog, etc..) As I was looking I make a template-page-about.php and inside an include to my about but It doesnt work. I choose into the admin panel on the page about the template about but nothing happen, I take out all the div to see if it was working… But nothing.. Anyone that could help me please?

Hi rochi29, this is a general open forum, the appropriate support forum for this theme can be found here.
You can also post the issue directly to the author here. Good luck.

Thanks it’s my first time here