ISO for Boot Camp and DMG for installing on a Mac. Installation DVD for Mac OS X Snow Leopard. (Here’s a link.) Click on the Download button, and your Mac will download. Launch the App Store app, then look for macOS Sierra in the store. 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. Lion (OS X 10.7) Download the macOS Sierra installer. 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
The Mac will need to restart to complete the process and will automatically boot into Windows 10 when it's done. Follow the prompts to finish installing Windows.
