After installing the theme you must have to install the ‘MuslimHub-Core’, ‘WPBakery Visual Composer’ , ‘Revolution Slider’ , ‘Redux Framework’ , ‘Contact Form 7’ , ‘CMB2’ , ‘MailChimp’ and ‘One Click Demo Import’ plugins to import the demo content as well and work the theme correctly.
You will find all required and recommended plugins to Appearance>Install Plugins.