1. This form http://prntscr.com/mrdcbl is created using the MailChimp plugin.
Is it what you mean?
2. You can add shortcode of MailChimp form into your footer static block.
If this is not what you are looking for, please describe the request in more details with screenshots for better understanding.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.