SIERRA - How much free space for install?

Discussion in 'macOS Sierra (10.12)' started by GWIM2, Sep 20, 2016.

  1. GWIM2 macrumors member

    Joined:
    Sep 21, 2011
    Location:
    Scotland
    #1
    I downloaded it, but by the time I did I had only 4Gb free on this MBA, so it fell over when it tried to install.

    I've deleted a whole pile of images, but unsure how much space I'll need to free up so it won't fall over when I try to install again - anyone know?
     
  2. dianeoforegon macrumors 6502a

    dianeoforegon

    Joined:
    Apr 26, 2011
    Location:
    Oregon
    #2
    You need a minimum of 10% free for the system to use. You also need room to add files for future growth.

    First empty the downloads folder.
    Open iTunes > Preferences > Devices > do you see backups you can delete?
    Open Photos and Empty the Trash in Photos.
    Check iTunes > Media folder for podcasts, moves etc you can delete
    Empty the Trash

    When you have the space, download OmniDiskSweeper to help identify large files.

    http://www.omnigroup.com/products/omnidisksweeper/
     
  3. Weaselboy Moderator

    Weaselboy

    Staff Member

    Joined:
    Jan 23, 2005
    Location:
    California
    #3
    https://support.apple.com/en-us/HT201475

    You need 8GB of free space.
     
  4. GWIM2 thread starter macrumors member

    Joined:
    Sep 21, 2011
    Location:
    Scotland
    #4
    Thanks both. Should be OK, trying it on the iMac first and if that is OK will re-run on this MBA
     

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