Using the guide below, change Engine.ini to include these lines:
Note that as mentioned above this may cause more ghosting artifacts to appear, likely depends on which UE4 version the game uses as different UE4 versions use slightly different TAA implementations.
Run the game with this Launch Parameter:
On Steam that would be:
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The Engine.ini file will usually accept cvar name/value pairs inside it, but only if they're entered into a [SystemSettings] section.
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