It is important to note that SimCity 4 is an older game. You cannot simply drag and drop a single file and expect it to work. Whether you are using the original discs or the digital version (GOG or Steam), follow this guide for a successful installation.
This is a known bug with some early STEX Vol 3 custom menus. Delete any Menu.dat files inside the collection folders or install the SC4 Menu Management Mod . stex collection vol 1 2 3 for simcity 4 free install
, originally released on DVD and now available as digital downloads It is important to note that SimCity 4 is an older game
You can obtain digital versions through Simtropolis on Gumroad . Donation Tiers: Volume 3: Minimum $10 donation. Full Bundle (Vols 3, 4, 5): Minimum $50 donation. 5): Minimum $50 donation.