How do you unlock Freddy crugear on mk9?

To unlock Freddy Krueger in Mortal Kombat 9 (MK9), you need to complete the game's Story Mode. Once you finish the Story Mode, Freddy Krueger will become available as a playable character. Additionally, he can be accessed through downloadable content (DLC) if you have the appropriate packs. Make sure to check your game updates for any required downloads.