To do this, head to the Startup Disk preference setting in Settings.Įvery time the Mac starts, you can also toggle between OS X and Windows by holding down the Option (Alt) key immediately upon startup. Once you have Windows installed, you can set the default OS that will start each time you boot your Mac. Set the Default Startup OS or Toggle Between OS X and Windows Installing OpenCore and RadeonBoost on a Mac Pro From a working Mac open Disk Utility and reformat the thumb drive to GUID partition map and create a Mac OS.
partition or a second hard drive, you can also save space on your Mac OS X startup.
The Mac will need to restart to complete the process and will automatically boot into Windows 10 when it's done. If you selected the Easy Install option when installing Mac OS X. Follow the prompts to finish installing Windows.
