Hi @Rob-C , you’re welcome!
I think you have checked another post reply that have the changes to make the checkbox to be unchecked by default, but I will post it here again for future readers.
To make the checkbox become unchecked by default, go to the third line of the snippets/cart-termsbox.liquid, and replace it with this line :
I am available for minor customization for store, you can reach me at axel@yagisoftware.com .