https://www.gog.com/game/real_myst_masterpiece_edition

Patch 2.2 (20 September 2018)

    * Over 400 fixes and improvements in this update!
    * Most are art related: textures, materials, meshes, animations, lighting and shaders.
    * A few small gameplay bugs fixed.

Patch 2.1 (24 April 2018)

    * Support for Ultra-wide monitors and displays
    * Mac crashes
    * Fixed camera/player rotate to not be frame rate dependent.
    * “Invert Look” and “Vertical Sync” now being saved
    * Fixed places where you can lose the cursor.
    * Fixed a few lighting issues.
    * Updated lots of textures and materials. Tweaked lots of UVs.
    * Fixed several object and lighting animations to be more consistent.
    * Fixed some meshes - fixing seams
    * Fixed some missing sounds or sounds not played consistently
    * Changed cursor sizing to be larger on larger monitors (it was getting lost on 4K displays)


The 32-bit installer isn't included