At the top of the Type menu in Adobe InDesign CC is a new addition: Add Fonts from Typekit...
Selecting it will open Typekit in a browser window and you can choose typefaces that you would like to install.
Pick which versions and weights you want to use and sync them to your computer. There are lots of tools to help you discover new type, allowing you to search for type styles, thicknesses and weights. Creative Cloud automatically downloads and installs the fonts for you.
A large selection of type, including Mark Simonson's excellent Proxima Nova, are available as part of your Creative Cloud subscription. I'm surprised at how many folks have no idea that this is part of your monthly subscription cost. And the type can be used in any app.