Note: This post explains what the “linuxrazor1911 file extra quality” for Sid Meier’s Civilization VII appears to be, how such community-supplied files generally work, and safe, legal best practices for using them. It does not link to or reproduce pirated files or instructions for bypassing DRM.
sudo mount -o loop path/to/your/iso /mnt
Linux Optimization: Native or near-native performance through improved shader caching. The Verdict on Unofficial Files Title: How to Safely Improve Sid Meier’s Civilization