This guide outlines the process of installing Mentor Graphics Questasim 2021.2 on Ubuntu 24.04LTS (or any modern debian distro).
*Note: This guide makes use of unofficial ways of activating license which is not recommended. If you have access, or can purchase the official license from Siemens, would be the best way. Otherwise, if you are an individual who plans to use it for non commercial use and or for learning purposes, you are more than welcome to follow.
sudo apt install libxft2 libxft2:i386 lib32ncurses6
sudo apt install libxext6
sudo apt install libxext6:i386