I have tried going to help>updates but that only brings up the cc apps. I don't have Photoshop CC. On my old PC when going into help>updates it brought up Adobe Application Manager, which worked perfectly, but on my new PC it doesn't. I understand that is the only way to install the latest camera raw plug-ins.
The last version of Camera Raw that will work with Photoshop CS6 is version 9.1. Future updates will not be compatible. Here is the link to where you can download the latest version of Camera Raw for Photoshop CS6: