Before installing, ensure your Mac meets these minimum specifications: Mac OS X Lion Installer - Apple Support (IN)
Mac OS X 10.7 "Lion" holds a unique place in Apple history. Released in 2011, it was the first version of OS X to be distributed primarily via digital download through the Mac App Store, phasing out the physical DVD installation media that had been standard for years. mac lion os x 10.7 - installesd.dmg download
sudo /Applications/Install\ OS\ X\ Lion.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ Lion.app Before installing, ensure your Mac meets these minimum
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Here is everything you need to know about finding, downloading, and using the Lion installer. What is the InstallESD.dmg? mac lion os x 10.7 - installesd.dmg download