In a tweet Square Enix has announced that Final Fantasy Type-0 HD will be released on PC via Steam. Further details like a release date were not mentioned.
The PC version has been premiered at Computex Tapai 2015 today running on laptops (GS60 Red version and GS70 Silver version) from MSI. A quote from their news article:
FINAL FANTASY TYPE-0 brings an immersive world, memorable characters and the production value known of the series, together with high quality gameplay and storytelling truly worthy of the FINAL FANTASY name.
Step into the fray as Class Zero, a group of students from an elite military academy whose country is attacked by an aggressive neighboring Empire. In the brutal and harrowing struggle that follows, you must engage a range of powerful magical and combat abilities using a new and exciting battle system, to defeat the Empire and uncover the secrets behind the war.
Also recently it was announced that Final Fantasy Agito, a free-to-play game set in the world of Final Fantasy Type-0, will also be released on PC via Windows 10.