: Navigate to your original game's installation folder (e.g., SteamLibrary\steamapps\common\XCom UFO Defense\XCOM ). Copy the following folders into the /UFO/ subfolder of your new OpenXcom directory:
: Unzip the OpenXcom files into a new folder on your computer. X-COM: UFO Defense Download PC Game
You must own the original game files because OpenXcom requires them to run. : Navigate to your original game's installation folder (e
: Retailers like Green Man Gaming and Humble Bundle also offer Steam keys for about $4.99. 2. Install OpenXcom X-COM: UFO Defense Download PC Game
: The GOG.com version often costs around $5.99 and is DRM-free, making it very easy to move files.
XCOM UFO Defense: Walkthrough/Strategy Guide - Steam Community