HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Electronic Arts\ea games\need for speed undercover\ergc
The latest build is 220.127.116.11. Patch for Steam version is available here.
HD texture packs has been made by An7hraX and Dragozool. Both require texmod in order to work.
Use original binary.
Origin key can be used during activation of retail version.