1. Exit Photoshop CS4 and Adobe Bridge.
2. Open the download file, double-click CameraProfiles.exe, and follow the onscreen instructions.
3. Open My Computer.
4. Double-click Local Disk (C:).
5. Navigate to: (Please read directory carefully)
Program Files\\Common Files\\Adobe\\Plug-Ins\\CS4\\File Formats
6. Move the existing Camera Raw.8bi plug-in to another location (for example, a new folder on your desktop). Ensure you keep this version in case you need to revert back.
7. Copy the Camera Raw plug-in, Camera Raw.8bi, from the download into the same folder as Step 4.
8. Launch Photoshop CS4 or Adobe Bridge.