It is highly recommended to install NAM you have applied the v11640 patch. The NAM installer will automatically detect your game version and can also apply the 4GB patch for you during its setup. A smooth installation of the v11640 patch is, therefore, the gateway to accessing the full suite of community enhancements.
Fixes a notorious bug where custom buildings do not light up at night. Check Your Current Game Version simcity 4 deluxe edition v11640 patch link
: This patch is primarily for physical disk versions. It is highly recommended to install NAM you
Finding an authentic and knowing exactly how to apply it can be the difference between a thriving, illuminated metropolis and a frustrating, crashing experience. Why the v1.1.640 Patch is Essential Fixes a notorious bug where custom buildings do
Before downloading any files, verify your current build number to see if you actually need the manual update. Navigate to your SimCity 4 installation directory. Open the folder. Right-click on SimCity 4.exe and select Properties . Go to the Details tab. Look at the File version row.
A: This means you tried to patch a version that is already modified (e.g., a cracked EXE or the GOG version). You need a clean, unmodified SimCity 4.exe from Steam or Retail CD.