Seller 1.2 is a Major Upgrade, where it switched from Theme Options to WordPress' Powerful Customizer. Seller Pro is designed to work with Woo Commerce, this theme is the finest free WooCommerce compatible theme you will come accross. It will give your ecommerce website the most professional look you can expect. Moreover, its loaded with a lot of features. Also, if you do not want to use it for a e-commerce site, then also Seller is a fantastic theme. It comes with Professional Slider, Fully Responsive Design, Showcase Area, Footer Widgets, Page Layouts, Beautiful Widgets and a lot more.