Overview
All font families are downloadable as a TrueType font (.ttf) or OpenType font (.otf). Install them on your local machine, or if being used within Adobe applications, you can add them to Adobe Fonts by following the instructions located here.
ROBOTO FONT FAMILY
HELVETICA FONT FAMILY
ARIAL FONT FAMILY
Fonts
Font families are available to download and use in the standard and acceptable formats for web, product, print, and film.