If you are working with split .rar files from sites like Apun Ka Games, follow these steps to ensure a functional installation:
: NVIDIA GeForce 8600 GT / ATI Radeon HD 2600 XT or greater. Security and Ethical Considerations download-xcom-enemy-within-apun-kagames-part1-rar
: You must have every single part (Part 1, Part 2, etc.) in the same folder before attempting to extract. If any part is missing or renamed differently, the extraction will fail. Extraction Process : If you are working with split