How to add a google+ icon to the footer of the site if it is not in the WP template initially?

Question

Google

kopatheme.com/demo/nictitate-is-a-multi-purpose-wo...
Here is the topic
Here is the site east-group.net
Need to add google+ next to vk, insta, youtube etc.
How to do this, please post the solution.

Answer 1

Insert into the template, oddly enough.

Answer 2

How to do this, please post the solution.

Create a child theme and add whatever you want to the footer template .
PS. There would be a theme from the repo - it would be much easier to help. That's why you still need to use themes only from there.