This is the recommended version. GOG specializes in making classic games compatible with Windows 10 and 11, so it usually works right "out of the box."
While some consider 20-year-old games "abandonware," Myst IV is still actively sold and protected by Ubisoft. Using unauthorized free download sites puts your computer at risk and doesn't support the preservation of the series. Myst IV: Revelation Free Download
In that same Compatibility tab, check "Run this program as an administrator." This is the recommended version