Locate your game installation directory. Standard paths include:

Because official activation servers are dead, you need a crack that bypasses online checks unlocks all DLCs. The most reliable for v1.0.5.0 with all DLCs is the REVOLT crack (often labeled “NFSHP_2010_REVOLT_Crack”).

Ensure that your game is updated to the latest patch (V1.05). You can check for updates in the game's settings or on the EA website.