They redid the site, seems like they removed the button for whatever reason. You can go to their github and download the files you'll need:
The file list underneath is basically as if you downloaded it and unzipped it. Just follow the steps I outlined and you should be good.
Thank you so much for posting this helpful guide!!! It looks great and really professional!!
The only problem with the infinite scroll is the missing original place in the scroll page when clicking on a product and go back with the browser. The place is lost and I return at the end of page one. I opened a new thread for that (see Link below), if you know anything how to solve this, or how to implement snapback_cache, any help would be very much appreciated.
Also @Per_Arne mentioned he has the same problem. Did you find out sth already Per_Arne?
It's working! If you click on the "back" botton, the browser goes back to it's old position!
See the answer here:
Thanks for the update @simonski - Im going to have to give this a try when I get time. I know there's some people who need this functionality and I have not been able to provide an answer, very much appreciated.