If you are looking to play the game on PC now, you have several legitimate options:
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 Download Shadow of The Colossus PC Game 2010
This collection was developed by Bluepoint Games and eventually released in late 2011 for the PlayStation 3, featuring 3D support and trophies. Legal Ways to Play on PC Today 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. Current versions of the PCSX2 (PS2) or RPCS3
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