It sounds like you're looking for information or a text-based guide about — a tool commonly used for Need for Speed: Most Wanted (2005) to tweak graphics, performance, and gameplay settings beyond the in-game options.
Here is a concise text summary: A third-party configuration utility for Need for Speed: Most Wanted (2005) that unlocks hidden graphics settings, adjusts LOD (level of detail), disables motion blur, changes UI colors, and improves performance on modern PCs. nfsmw optimizer