Need For Speed: Shift (2009) is a racing simulation title distinct from the arcade-style NFS games. As a legacy title, official support has waned, and physical copies are rare.
The repack includes the full game, with all the original features, modes, and content. However, it also includes some notable improvements, such as optimized settings, updated drivers, and a range of fixes for common issues and bugs. The repack is also significantly smaller than the original game, making it easier to download and install.
The game defaults to weird keyboard keys. Use (Xbox 360 Controller Emulator) included in the repack or download it separately. Place the .dll file in the root folder. This tricks the game into thinking your generic controller is an Xbox pad.
: There is a known repack by Darck Repacks (v1.02 + DLCs) that is widely used by the community.