If you want the HD version, this emulator handles the Shadow of the Colossus + Ico Collection quite well, provided you have a modern CPU. Why the Remake is Worth the Wait

If your rig is mid-tier, stick to the PS3 version via RPCS3. If you own a RTX 4080, the PS4 Remake on ShadPS4 is jaw-dropping.

Check the current compatibility status of PS4 games on the official shadPS4 website Quick questions if you have time: What was your main goal today?