If you registered Lightroom 6 or Photoshop CS6:
For those who cannot access the automated updater, manual installation packages are the most reliable option: Visit the official Adobe Camera Raw Plug-in Installer page. Scroll to the legacy installer section. camera raw 9.12.1 download
Download the .dmg file for or the .exe file for Windows . If you registered Lightroom 6 or Photoshop CS6:
After installation, verify the update:
To avoid errors during installation, ensure your operating system and Adobe applications match the requirements for Camera Raw 9.12.1: Requirement Compatible Specifications Windows 7, Windows 8/8.1, or Windows 10 macOS Mac OS X 10.10, 10.11, or macOS 10.12 Photoshop Compatibility Adobe Photoshop CC (2014/2015/2017) Photoshop Elements Photoshop Elements 2018 (shipped with 9.12) Camera Raw plug-in installer - Adobe Help Center After installation, verify the update: To avoid errors
If you refused to move to the Creative Cloud subscription model and still run Adobe Photoshop CS6, you cannot install Camera Raw 10.x or later. Adobe stopped supporting CS6 with new ACR versions after 9.12.1. If you have a new camera (circa late 2016 or early 2017) but an old CS6 workflow,
While the current Camera Raw version is much newer, version 9.12.1 is often the specific "last stop" for users on older operating systems or specific versions of Photoshop. Key Features and Camera Support