To add a product gallery:
1. From the left side of the Editor, click the plus sign to open
Add.
2. From Add, click Online Store.
3. From Online Store, click Product Gallery.
4. Click Add to Page.
5. From Choose Collection, click the drop-down menu to choose a
collection. Click OK.
You can add more than one collection to your site by repeating
Steps 1-5.
Click Manage Store to open the Wix Store Manager. You will be able
to edit all of your online store content at any time from the Wix
Store Manager.
A product gallery appears on your site.