How to install os x yosemite

i have downloaded OS X Yosemite using recovery from boot but while installing error occuring showing unable to extract essential.pkg so can't install. problem is i have already formatted my drive and dont have any os right now. only the downloaded new os x yosemite in the os x base system. please help

This is why you should ALWAYS have some sort of backup when doing these kinds of things.

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    Message was edited by: stewiesno1

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