Always try the official Adobe download pages first. Search for the "Camera Raw installer for CS5" in the Adobe Help Center. While Adobe encourages moving to the Creative Cloud, they often maintain legacy links for perpetual license holders. 2. Using the Adobe Application Manager
Double-click the set-up file and follow the on-screen prompts.
Try running the installer as an Administrator (Windows) or checking your Security & Privacy settings (Mac) to allow apps from identified developers.
You must have Adobe Photoshop CS5 or Adobe Bridge CS5 installed. Operating Systems: Windows: XP, Vista, or Windows 7. macOS: OS X 10.5, 10.6, or 10.7.