Theme Options > Breadcrumbs > “Return To Previous Page” Link > On.
Theme Options > WooCommerce (Shop) > Single product page > Tabs > Related Products > Related Products Type > Slider.
Theme Options > WooCommerce (Shop) > Single product page > Location Of Upsell Products > Sidebar.
Please read more about related and upsell products here – https://docs.woocommerce.com/document/related-products-up-sells-and-cross-sells/
