OS X Mavericks updating help

Hello, here is my question.I want to upgrade to OS X Mavericks and because will it take 8 hours, can I pause it and shut down the imac and continue downloading it on the other day?? Help please. I'm not allowed to use my imac in a whole day.

Not sure about the details in your question, but if you connect via Ethernet
cable and not Wi-Fi, the speed of data flow would be faster and less likely
to drop-off, than Wi-Fi, over the long durations large files take to download.
If there is an Apple Store in your vicinity, with a Genius bar or a product
specialist who knows iMac, and Mavericks, ask if there is a way you can
get a download elsewhere using your Apple ID, save the download on
say a USB flash drive, then use it with your iMac.
While there are persons here in ASC discussions who likely would know
this answer (or where to ask it, or maybe methods if they were to try it)
the idea has a few unknowns which may add up conditionally against it.
Usually interrupted downloads fail. And longer duration wi-fi connections
fail or need only lag a little while for the files to be useless. So the best
bet would be to forgo wi-fi, use Ethernet settings in System Preference
Network, to use a cable from your router to the computer.
Sorry to not be of much help. If I were faced with a Mavericks upgrade,
I'd do a dogpile of reading or hire a cool cat to figure it out. But with my
antique G4 mini or iBook G4, or first-edition MacBook, I don't need to.
Some older intel-based Macs don't like Mavericks; & need more RAM.
So neither dog nor cat gets put to work due to an upgrade issue.
Good luck & happy computing!

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