Who was the original author?
https://themeforest.net/item/yourstore-shopify-theme/15812829
https://themeforest.net/item/yourstore-html-ecommerce-template/17303809?s_rank=30
I’m not sure what you are asking but from a quick search on google, it looks like the author is selling this on their own site and have deactivated their account here. You will need to look for this on your own as it is against the rules to post links here.