Hello,

1.
Please add this code to the Theme Settings > Custom CSS > Global:

body footer .footer-column .widget-title{
text-align: center;
}

2. Provide page URL I will provide the CSS

3. You will need to customize the plugin, such customization is not covered by our support.

4. You can remove it in the Theme settings> Footer

5. Such customization is not covered by our support.

Best Regards