The following steps can be done by going to Design › Featured Products in your eCom back office.
Adding featured products
By going to Design › Featured Products you can choose what products from your store that you want to display on the homepage. You will need to make sure that these products are set to be Visible (this setting can be changed by going to Products in your eCom back office.
For aesthetic and readability reasons, we recommend that you feature 4 products (one row) or 8 products (two rows).