: Install the Community Patch v1.75 first, as it is usually a prerequisite.
: Includes minor engine tweaks to reduce "stuttering" during exploration. Genegow-Goetter_1-3.zip
: Resolves broken quests in the Forsaken Gods expansion. : Install the Community Patch v1
: Unzip the contents of Genegow-Goetter_1-3.zip into your game's main installation directory (e.g., C:\Program Files (x86)\Steam\steamapps\common\Gothic 3 ). Genegow-Goetter_1-3.zip
How to Disable Windows Security on ZIP Files | Pro Tip - OpenEDR
To help you further, are you trying to this for a specific version of Gothic 3, or are you having trouble with a corrupt file error?