Support Threads

i want to change the theme to full menu navigation but i can only find the sidebar how do i turn it on? http://themeforest.net/item/pitch-a-theme-for-freelancers-and-agencies/full_screen_preview/13111699

Hello ,i am new to wordpress , I managed to install the theme,and activate it but all i see is a blog page , how can i get it to look like the demo ? question 2: what is the WP Child and should i install it.?