to help cover Simtropolis server costs. You can obtain them via Simtropolis' Gumroad page for a donation of $50 or more for the full bundle (Volumes 3, 4, and 5).
Originally distributed on physical DVDs, these collections are now primarily available as through Simtropolis as a "thank you" gift for donations to support site maintenance. How to Access & Download stex collection vol4sim city 4 mods disk 4 download upd
Extract the ZIP file to a folder on your computer. Inside, you will find a file named START.HTM . Guide to Using the Collection to help cover Simtropolis server costs
The current iteration of SimTropolis has migrated much of the content from these disks back into their on-site Exchange. The site now uses a modern CDN (Content Delivery Network) and has an active "STEX Legacy" section. Searching for specific buildings on the site is often safer than downloading a massive 4GB disk image. How to Access & Download Extract the ZIP