If you are looking to play the game on PC now, you have several legitimate options:
Sony officially announced this high-definition collection at the 2010 Tokyo Game Show . Download Shadow of The Colossus PC Game 2010
However, the year 2010 was a significant period for playing the game on PC through other means: PC Emulation in 2010 If you are looking to play the game
Technical analysts at Digital Foundry highlighted that 2010-era PC emulation could scale the game's resolution to 1080p, offering a visual experience very close to the official HD remasters that would follow. Official 2010 Announcements While no PC version was
Despite the high resolution, emulation in 2010 was not a "precise carbon copy" of the original hardware and often required powerful hardware to run smoothly. Official 2010 Announcements
While no PC version was released, 2010 saw major official news for the franchise:
Current versions of the PCSX2 (PS2) or RPCS3 (PS3) emulators offer much better stability and feature support than what was available in 2010, including community-made HD texture packs. Shadow Of The Colossus: PC Download - Is It Possible? - Ftp