ZIPs frequently contain dinput8.dll , which allows custom scripts and mods to run.
The most popular ZIP file ( NFSUnderground2.WidescreenFix.zip ) adds support for modern resolutions and fixes the game's aspect ratio. ZIPs frequently contain dinput8
If you have downloaded such a file, the standard procedure involves: the ZIP using a tool like WinRAR or 7-Zip . ZIPs frequently contain dinput8.dll