Once you extract the zip file, look in the header of the style.css file and it will tell you the version number – http://screencast.com/t/4EMUA3lP

As we sell via ThemeForest there’s not the option for automated theme updates at the moment via the WP admin. So theme updates need to be installed via FTP or the old version of the theme renamed and then the new one installed in place of it. Full install/update details can be found at https://support.redfactory.nl/documentation/the-beauty-salon-2/how-to-upgrade-to-the-latest-version/