When the new owner starts up the Mac, they can use their own information to complete setup. If you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Once the windows installation in complete plug the drive back into the mac Reboot ur mac and hold down the option or alt key on Mac chime on startup This. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.Īfter installation is complete, your Mac might restart to a setup assistant. I installed Windows 10 (April 18 update) on external SSD drive that can be selected on the iMacs startup. When you're asked to allow Boot Camp to make changes to your device, click Yes.

Allow installation to complete without putting your Mac to sleep or closing its lid. From File Explorer, open the USB flash drive, then open Setup or setup.exe, which is in the WindowsSupport folder or BootCamp folder.

If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.

If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.If the installer asks to unlock your disk, enter the password you use to log in to your Mac.To begin installation, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.įollow these guidelines during installation:

Reinstalling macOS does not remove data from your Mac. As of macOS 10.14 Mojave, Boot Camp can run only the 64-bit version of Windows 10, and only on a supported Mac model.

Imac windows 10 install