kuteshop woocommerce themes check out option not working .help me

i am facing some problem about to use kuteshop woocommerce theme in my site . i all install perfectly . but now " check out " option not working .when i tried to test product purchase on my site after adding to cart then when i press check out option then its not working . can you please tell me where is the problem ? or how to fix it or if you guyes can fix that on behalf of me .

" here is the problem vedio link which i am facing .please watch this to batter understanding my problem :
https://www.youtube.com/watch?v=UbTjQtX0jGE&feature=youtu.be

waiting for your reply