Download Redux Framework files from below url

Redux Framework or from GitHub

– Download and paste it into your theme folder

– Now paste below code in to functions.php file

/**
 * REDUX
 */
include get_parent_theme_file_path('/redux/redux-framework.php');

require get_parent_theme_file_path('/redux/sample/sample-config.php');

– Edit sample-config.php file for customization

– Set $opt_name name to use in options in frontend
– For display options in front-end use below snippet.

global $theme;

echo $theme['text-example-hint'];

text-example-hint is id of control used in sample-config.php file