: Download the Jack V4 pack (often found on specialized modding forums or community Facebook pages). Installation

The "Slrr By Jack V4," often referred to as "Pre-Release IV" by the community, is a specific point in the evolution of Jack's work. It seems to be built upon the 2.2.1 MWM base, a popular game version.

If you experience random desktop crashes, set the executable compatibility mode to Windows 7.