Adding External Link on Primary Menu

Sorry, I accidentally posted this in the free themes, I have pro Hey everyone, We have an e-store that we are adding to our website. I believe it is technically an external link. I want to get it as a menu option on the primary menu. The site is www.verticalrunnerbreckenridge.com and the online shop is www.store.verticalrunnereckenridge.com My options on the primary menu are to add: Pages Posts Groups Teams How do I make that tab in the menu go directly to the store.verticalrunnerbreckenridge.com page? Thanks so much! Also, can you recommend a good slider for products? We would like to have an image slider on the bottom of the page with some featured products on it. Want to get something quality! Thanks so much!