thanks to dosdude1 for creating this patch Step 1 : Click HERE to download the Patch Tool Step 2: Follow this video This Patch will work with the following machines. Early-2008 or newer Mac Pro, iMac, or MacBook Pro: MacPro3,1 MacPro4,1 MacPro5,1 iMac8,1 iMac9,1 iMac10,x iMac11,x (systems with AMD Radeon HD 5xxx and 6xxx series GPUs … Continue reading Mac Catalina Patcher