There is no "native" download for PC. The only method to attempt playing the game on a computer is through a like Vita3K , though performance is highly variable:
PlayStation Vita (Released September 2013). Killzone Mercenary Game Download For PC Full Ve...
Official online multiplayer servers were permanently shut down on August 12, 2022 . However, community "revival" projects have since restored some multiplayer functionality for users with modified hardware. PC Compatibility via Emulation There is no "native" download for PC
None. Sony has not announced or released any Windows version of this specific title. 2022 . However