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

https://fontkong.com/product/hello-olivia/

File Font Version : 

1. Hello Olivia.otf
2. Hello Olivia.ttf
3. Hello Olivia.woff
4. Hello Olivia Italic.otf
5. Hello Olivia Italic.ttf
6. Hello Olivia Italic.woff