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Modding The Witcher 3: the mods folder, the DLC folder and Vortex

· 4 min read · ModsDrop

Official image from The Witcher 3: Wild Hunt
Image: official, via Steam.

This guide is for anyone who wants to add community mods to The Witcher 3: Wild Hunt without breaking a save or guessing where files belong. By the end you will know where mods go, what a mod manager does for you, and how to test changes safely before you commit to a full load order.

Back up your saves first

Before you install anything, copy your save folder somewhere safe, such as an external drive or a cloud folder. Mods can change scripts, quest logic or item behaviour, and a bad combination can corrupt a save or stop a quest from triggering. Keeping an untouched backup means you can always get back to a working game, even if a mod causes a problem weeks later.

The mods folder and the DLC folder

Most Witcher 3 mods are built around two locations inside your game installation. The first is a folder named mods, sitting in the main game directory. This is where the bulk of a mod’s files usually go, packaged as its own subfolder so the game can read it as a separate content pack.

Some mods also ship extra files meant for the DLC folder, which sits alongside the mods folder in the same game directory. These DLC-folder files often handle things like load order priority or extra assets that need to sit with the game’s official downloadable content structure rather than inside a standalone mod folder. Always check the mod’s own instructions to see whether it uses one folder, the other, or both. Do not assume every mod works the same way; read what the author has written about installation before you copy anything.

Using Vortex to manage your mods

Vortex is a mod manager that can install and remove Witcher 3 mods for you, which saves you from manually copying files into the mods and DLC folders every time. It keeps track of what you have added, so if something goes wrong you can disable or uninstall a single mod without hunting through folders by hand.

Here is a simple way to get started with Vortex and The Witcher 3:

  1. Install Vortex and let it detect your Witcher 3 installation, or point it to the game folder yourself if it does not find it automatically.
  2. Download a mod from the author’s own page, not a random mirror, and add it to Vortex when prompted or by importing the downloaded file.
  3. Let Vortex deploy the mod, which places the files into the correct mods and, where needed, DLC locations for you.
  4. Launch the game and check that the mod works as described before adding another one.
  5. Repeat with one new mod at a time, testing after each addition rather than installing a large batch at once.

Start small and test as you go

It is tempting to install a long list of mods in one sitting, but this makes it hard to know which one caused a crash or a visual glitch if something breaks. Add a handful of mods, load the game, and play for a while before adding more. If you notice odd behaviour, such as missing textures, broken dialogue, or a quest that will not progress, you will know it is likely tied to whatever you installed most recently.

This approach also helps with online or shared aspects of the game where mods are not welcome. If the outline for a specific mod warns against using it anywhere that checks your files against official content, keep that mod out of those modes entirely and stick to offline single-player use.

If something goes wrong

If the game fails to launch, crashes on loading, or behaves strangely after installing a mod, start by disabling the most recently added mod in Vortex and relaunching. If the problem clears, you have found the culprit. If disabling one mod does not help, disable mods in small groups until the game behaves normally again, then re-enable them one at a time to narrow down the cause.

Check that no leftover files were left behind in the mods or DLC folders from a mod you removed manually before using a manager. Stray files can conflict with a fresh install of the same mod or with something else entirely.

Uninstalling and undoing changes

To remove a mod cleanly, use Vortex’s uninstall or disable option rather than deleting folders by hand, since the manager knows exactly which files it placed and where. If you ever need to start over completely, you can restore your backed-up save and remove the mods and DLC folder contents that relate to the mods you added, then reinstall only what you want to keep.

Keep a short note of which mods you have installed and in what order, even a plain text file works. It makes troubleshooting far quicker than trying to remember what you added three sessions ago.

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