If you want the full version and license for commercial use,
you can purchase here :

https://fontkong.com/product/kiss-boom/

File Font Version : 

1. Kiss Boom.otf
2. Kiss Boom.ttf
3. Kiss Boom.woff
4. Kiss Boom Italic.otf
5. Kiss Boom Italic.ttf
6. Kiss Boom Italic.woff