Download Mac OS X Mountain Lion 10.8 ISO and DMG Image.ĭMG files are Mac OSX disc image file.
Launch the app and insert a USB drive into your computer. Step 1: Firstly Download PowerISO and install it in your Windows PC. Follow the steps below to Create a Bootable Mac OS USB on Windows PC. It can be used for burning both ISO files and DMG files to USB to create a bootable drive. Burning an ISO image to a USB drive will erase everything on the drive! Before continuing, check that the USB drive is empty. Insert the flash drive or other USB device into your computer that you want to 'burn' the ISO file to, assuming it's not already plugged in. If you're on a Windows machine, you're limited in what you can do with DMG files. It consists of data blocks that represent a physical disc. A DMG disk image file is Apple's container format for capturing entire drives or disks, similar to ISO for other platforms like Windows.