Look for the Lion Install ESD.dmg file– Once downloading of the Lion OS is complete, navigate the cursor to the Applications folder and search for the Install Mac OS Lion.app.Get familiar with the following steps and install Mac OS X 10.7 Lion successfully. Mac OS X 10.7 Lion downloaded from the Mac App Store.This will help you to recover and reinstall the operating system in case a system crashes or if there is any other event of misfortune.
However, one can create a bootable Mac OS X 10.7 Lion USB flash drives and install them successfully by having some moderate knowledge about Mac.
Currently the Mac OS X 10.7 Lion is only available to download for Mac App Store. Apple also used to have OS X 10.6 Snow Leopard available for a fee, but it is no longer purchasable.You can create your own Bootable USB or DVD for Mac OS X 10.7 Lion. Mavericks was free to download, and Apple has not charged for Mac software since then outside of the legacy Lion and Mountain Lion updates. Apple began making Mac updates free with the launch of OS X 10.9 Mavericks, which also marked the shift from big cat names to California landmark names. The $19.99 fee dates back to when Apple used to charge for Mac updates. Macs that shipped with Mac OS X Mavericks or later are not compatible with the installer, however.