Hello, @33swift,
Thanks for using our Theme and for Contacting us.
Simply go to the Dashboard >> XStore >> Theme Options >> WooCommerce >> Single Product Builder >> Tabs from there you can see the enable tabs of your site and you order them as you by drag and dropping up and down like you see in this image for a better reference: https://postimg.cc/Xp5JZyVW
Regards 8Themes Team.