Square Enix and FromSoftware announced that NieR: Automata will be released on the PC on March 17. There are some nice pre-order bonuses (seen above) for those that get the special "Day One Edition." We also have the PC system requirements for you.

The system requirements are translated from the Japanese Square Enix website.
Minimum RequirementsRecommended Specs

It doesn't seem to be available just yet for pre-purchase from Steam but it should hopefully be up soon.