Guide how to install RED4ext.
You need to make sure that Visual C++ Redistributable 2022 is installed.
Download the latest zip (e.g. red4ext_x.y.z.zip) file from GitHub.
Extract the content of the archive in the game's directory.
Launch the game.
(Optional) Check the log file in <game_directory>/red4ext/logs/red4ext.log to make sure everything works.