All of the process will be done by WinISO. If you want to burn this new bootable iso file in order to install Windows 7, prepare a blank disc and click Burn on the toolbar, choose this Windows 7 bootable iso file. For me (MacBook Pro, Retina, 15-inch, Mid 2015), that means it now looks like: ExternalInstallOnlyModelsĬheck if your model is listed under PreUSBBootSupportedModels. The last step is saving the new iso file you made. Using your favorite text editor open ~/Applications/Boot Camp Assistant.app/Contents/istįind the area that looks like this: ExternalInstallOnlyModelsĪdd your model to the list (you can find your "Model Identifier" in About This Mac -> System Report).Navigate to ~/Applications and paste Boot Camp Assistance there.In Finder go to Applications/Utilities and copy Boot Camp Assistance.
If you're one of the people who no longer have the option to create a thumbdrive in Boot Camp Assistance, here's how to get around it. iso file to the USB drive can take 20 minutes or longer. If prompted, confirm your action and/or provide an administrator's password.iso file after selecting it, click Continue. Your USB drive should be listed in the "Destination disk" area.Check Create a Windows 7 or later install disk and click Continue. Uncheck the Install Windows 7 or later version and Download the latest Windows support software from Apple options.Ĭ. Verify that the USB drive you will be writing to is plugged in.ī. You don't need to install Windows or download the support software at this time, as it will be easier to do both later. UITS recommends making the USB drive installer first.The next screen should give you a list of options. Open the Boot Camp Assistant, and then click Continue.From the Finder, open the Applications folder, and then Utilities.As has pointed in the comments, the article from Indiana University works!