on GOG, you can follow these official methods to ensure the best performance and compatibility. GOG GALAXY Client (Recommended) : Open GOG GALAXY and go to your Library . Select The Witcher 3: Wild Hunt .
select the game in Lutris, then you'll have a little wine icon at the bottom, click on it and select 'Run EXE inside Wine Prefix'. Lutris Forums on GOG, you can follow these official methods