This fonts are authors' property, and are either shareware, demo versions or public domain. The licence mentioned above the download button is just an indication. Please look at the readme-files in the archives or check the indicated author's website for details, and contact him if in doubt. If no author/licence is indicated that's because we don't have information, that doesn't mean it's free.
Hello,
Thank for purchasing and using my font!.
we hope you enjoy this font. If you have any questions please don't hesitate to drop me a message
Thank you,
Best regards
Twinletter
How to Enable OpenType Features in Word, Photoshop and Illustrator
https://medialoot.com/blog/how-to-enable-opentype-features-in-word-photoshop-and-illustrator/
How to access alternate glyphs? you can see it on this link
http://goo.gl/1vy2fv