Uable to activate opengl under Adobe photoshop 2018. I also applied AllowOldGPUS in windows registry I am using ATI Radeon HD 4850 graphic card and Driver Packaging Version 8.97.100.11-130429a-158498C-ATI my OS is Windows 7 32 Bit. Please help me, how can I activate and manage openjl in Adabe photoshop cc 2018. It is always inactive gray colour.