Windows Software
Elgato Game Capture 4K60 Pro MK.2 can use Elgato Studio Software for Windows 10 and 11.
Elgato Game Capture 4K60 Pro MK.2 can use Elgato 4K Capture Utility 1.6.1 and above for Windows 10 and 11.
Elgato Game Capture 4K60 Pro MK.2 cannot use Elgato Game Capture HD Software for Windows 10 at all.
Elgato Game Capture 4K60 Pro MK.2 can use other Windows software, including OBS.
macOS Software - Elgato Game Capture 4K60 Pro MK.2 Does Not Support macOS
Elgato Game Capture 4K60 Pro MK.2 does not support macOS at all.