Once you've done this, simply put any mods you download into it and they should work. In the event you don't want to install another bit of software, doing it manually might be the option for you.įirst, find where The Witcher 3 is installed - which is dependant on your platform of choice, such as Steam - and add a new folder called 'Mods'. How to install The Witcher 3 mods manually There are two ways to install mods in the PC version of The Witcher 3 - manually, or through a mod manager. How to install mods in The Witcher 3, step-by-step If you're looking for more assistance, our Witcher 3 walkthrough can help. The best other mods to consider for The Witcher 3.Our picks for the best mods in The Witcher 3.How to install mods in The Witcher 3, step-by-step.