Once Boot Camp is open, you'll notice the restriction has been lifted, and the checkbox is now titled Install Windows 7 Or Later Version ( Figure E).

To sign the code and remove the message in the future, enter the command below: sudo codesign -fs - /Applications/Utilities/Boot\ Camp\ Assistant2.app You may receive a warning message-this is due to the changes made requiring the app to be resigned. The file will be closed upon saving, and you'll return to the Terminal prompt ( Figure D).ĥ. At the exit prompt, type Y to acknowledge you'd like to save, and then press Enter to save the file. Scroll down the file until you find the section Win7OnlyModels and delete the entire section ending in the ( Figure C).ĥ. sudo nano /Applications/Utilities/Boot\ Camp\ Assistant2.app/Contents/istĤ. Then, enter the command below to edit the plist file, which controls the configuration of the Boot Camp app.

If you see this screen, your Mac is restricted from installing any Windows OS beyond Windows 7 ( Figure B).ģ. On older Macs, when launching your duplicate of Boot Camp, the second wizard screen will have a checkbox titled Install Windows 7. In the example, I renamed it BootCamp2.app ( Figure A).Ģ. Right-click on the app and select Duplicate from the context menu to create a copy of the application. Navigate to /Applications/Utilities and locate BootCamp.app.