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Purchased DLC did not unlock

Support Portal  »  Killing Floor 1 KB  »  Viewing Article

First, we recommend you refresh your Steam install. You can find instructions to do that here:

If this does not help, try deleting your KillingFloor/system folder, and then verifying your game cache in Steam. Instructions for that can be found here:

If you are using any third party mods that add characters, you may want to try removing those, before you deleting your KF/System folder as they may be causing a conflict with your recently purchased addons.

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