
Apple’s installer will keep your files and personal setup intact while installing Mountain Lion, but a bootable disk will allow you to erase your Mac and start completely anew. Another reason to create a bootable copy of Mountain Lion is if you want to do a clean install. When your Mac reboots running Mountain Lion, the installer will be gone and you’ll have to re-download it if you want to use it again. Legally you should be covered in most jurisdiction since installing Lion requires your purchased it (and usually you are entitled to own a backup copy) but you know you shouldn't get legal advice from the Internet.

You can acquire the needed file either by (requires a Mac initially, you can copy the files to a PC afterwards) or downloading the file from other sources (hint:torrents). For Lion, you will need the image, a file named InstallESD.dmg (which can be written using something like ). Yes, technically you can create a Mac OSX boot disk on a PC. If you had a Carbon Copy Cloner backup then you could boot from that. Keep in mind that you don't need a USB drive to install new versions of Mac OS. If you want to make a bootable USB drive for the latest version of Windows 10 or 7, you can use the Windows 10 or 7 installation tool to format your USB drive.
#How i do boot os x for mac on windows how to#

Buying a license and downloading the image format directly from Microsoft means having to burn a disc of your own, unless you prefer using a bootable USB drive. Microsoft uses.ISO formats to distribute downloadable copies of its operating system. This would enable you to take the disc to your other machine, or pass it on to a friend (as long as it’s a distributable version of Windows and not some pirated copy).

#How i do boot os x for mac on windows for mac os x#
