You can go to the Shopify app store, get a YMM app, and install it to your theme. I use this one . I hope it helps. https://apps.shopify.com/vfitz?search_id=f93e6503-70a4-407c-9966-bc96c64fea8b&surface_detail=vfitz&surface_inter_position=1&surface_in...

hey， Try this https://youtu.be/Zwkgs4OaDFINot sure if this will help but is what my site uses.