Remove " Theme by Colorlib Powered by WordPress" from Footer

Hi Adriana,

I hope you are well today and thank you for your question.

You can try achieving this by using the custom child theme of Sparkling theme shared in the following topic that contains some custom code.

https://colorlibsupport.com/t/remove-theme-by-colorlib-powered-by-wordpress/

Best Regards,
Movin