Upgrade Mac OS from Desktop

Discussion in 'Mac Basics and Help' started by nickeedoo, Jan 29, 2013.

  1. macrumors newbie

    Joined:
    Jan 29, 2013
    Location:
    At work
    #1
    Hello, MacRumor(ers?) This is my first post here and I just have a quick question. My DVD burner on my Macbook Pro 15 is not working correctly, and I just want to know if it's possible to upgrade my Mac from 10.7.5 to 10.8.x just from the InstallESD.dmg file. Or do I have to actually go out and buy a flash drive? (I've been googling, but can't find a straight answer yet) If I can just upgrade from my desktop, that'd be sweet.

    I'm new to Macs, but expect to dive deep into this fantastic land. So far, I'm liking it a lot! :)

    If I can do the upgrade with just a disc image and without a DVD or flash drive, please do let me know. Thanks a lot!
     
  2. macrumors 6502a

    xShane

    Joined:
    Nov 2, 2012
    Location:
    United States
    #2
    Hey. First of all, welcome to the MacRumors forums :)

    According to the App Store, OS X Mountain Lion (10.8.3) requires OS X 10.6.8 or later. You should be able to purchase the update in the App Store and it will download and install automatically.
     
  3. nickeedoo, Jan 30, 2013
    Last edited: Jan 30, 2013

    thread starter macrumors newbie

    Joined:
    Jan 29, 2013
    Location:
    At work
    #3
    Thanks Shane! Well my buddy already got the download for his mac from the app store, and he gave me the image file, trying to be nice and save me a few bucks. Can I not use his?

    Edit: Woah, I thought the upgrade was going to be like 60$! Just bought the upgrade for myself since it's only 20$. Thanks anyway!

    FWIW: You can just run the .dmg.

    And a mod can close this thread. :p
     
  4. macrumors 6502a

    xShane

    Joined:
    Nov 2, 2012
    Location:
    United States
    #4
    You're welcome :)

    I'm almost absolutely sure that the upgrade is in some way protected to only work for one computer (or Apple ID).
     

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