To install Sueno theme, you can upload sueno.zip in Appearance -> Themes -> Add new -> Upload Theme. You can find all demos in sueno.codeplus.it . To install demos you have to install One click demo install plugin, then in Appearance -> Import Demo Data you can choose your favourite Demo.
This video explains how to do it.
You can upload your logo in Appearance ->Theme Options -> General Settings->Logo
You can customize your Homepage in Appearance -> Theme Options -> Homepage Sections
You can change position of menu from Appearance -> Theme Options -> Header -> Header type