: If the files are already installed, go to the Main Menu > Options > Language to toggle text and subtitles to Arabic. How To Change Language in Witcher 3
Open GOG Galaxy and select The Witcher 3 from your library.Click the Settings icon (next to the Play button) and hover over Manage installation, then select Configure.In the Language section, choose Arabic.The client will download the language files. You can then start the game. Epic Games Store
Once the pack is installed and the game is running, you may still need to activate the Arabic subtitles and text:
To get the Arabic language pack for The Witcher 3: Wild Hunt
Here’s a helpful write-up about for PC.
