You must have Sider 5 by Juce installed to use external stadium packs.
Inside the RAR file, you will usually find a content folder, which should be moved to your Sider installation folder. Typical Installation Steps You must have Sider 5 by Juce installed
Software like WinRAR or 7-Zip is needed to extract the .rar file. You must have Sider 5 by Juce installed
of the stadium pack (Part 1, Part 2, etc.) to the same folder. You must have Sider 5 by Juce installed
only "part1". The software will automatically combine the parts.
The stadium-server.lua script is required to make the stadiums show up in-game.