If you want the full version and license for commercial use,<br />
you can purchase here :<br />
<br />
https://fontkong.com/product/couplin-modern-classy-sans-serif-font/<br />
<br />
File Font Version : <br />
<br />
1. Couplin PERSONAL USE ONLY!.otf<br />
2. Couplin PERSONAL USE ONLY!.ttf