Place the d3d8.dll file directly into your NFSU2 installation folder. This translates DX8 commands to modern standards, drastically improving performance. Summary Checklist for Maximum Performance Improves resolution scaling and stabilizes FPS. d3d8.dll Wrapper Modernizes graphics API, fixes lag. Set Affinity (CPU 0) Fixes stuttering caused by multi-core CPUs. Run as Admin/Compatibility Fixes Windows 10/11 bugs. need for speed underground 2 lag fix