After installing the theme go to plugins and install the download gpl zip plugin not the one from wordpress [Extract First]
Starbelly Restaurant WordPress Theme download gpl is a Restaurant WordPress Theme best suited for restaurant, cafe, fast food, bakery, seafood, bistro, coffee house, burger, pizza, fine dining, catering and any food business who need attractive and effective way to promote your food related services. Includes: Unique Pre-built Demo, 6+ Restaurant Menus Listing & Tabs, Header & Footer Elementor Builder, One Click Demo Install, WooCommerce Shop with multiple online payment methods, Reservation forms with OpenTable and Contact Form 7, Elementor Page Builder with custom Starbelly widgets and others.