Viewing products within collections in preview

[Winstan_]

Hello!

I'm just beginning to create content on my page, but have come across the following issue;

I have decided to keep navigation simple on my page, creating 3 navigation menus, these will lead directly to different product collections. I have linked the navigation button to each correct collection, but when I go to preview and click the navigation button it brings you to a product page with template generic products, not the products I have loaded into the collection.

Any help on this would be great. It may be worth noting that I am currently using the trial period, if that makes any difference. Many thanks.