A free program for Windows, by Iyzik.
ULG Tool is a free utility for enhancing the performance of your computer’s graphics. It allows you to configure many of the graphics settings to Ultra Low Graphics (ULG). This should help improve the performance of the game on older computers or laptops.
The installation instructions are very simple, and the application is very easy to use. To start using this, you need to have Java installed on your system. Then, extract the ZIP file of the downloaded mod, find a .jar file, and run it. If the paths are not automatically detected, set them manually. Then, choose the game for which you want to install ULG Tool.