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

https://staircaselab.com/product/william-sharples/

File Font Version : 

1. William Sharples.otf
2. William Sharples.ttf
3. William Sharples.woff
4. William Sharples Swash.otf
5. William Sharples Swash.ttf
6. William Sharples Swash.woff