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I have had it with macOS.

I use a 2014 MacBook Air.

To use some apps I need, I had to upgrade to the newest macOS, but this slowed the computer down like crazy. Otherwise, I stay with an older version of OS X (Yosemite) which doesn't lag, but is not supported by many apps.

Right now I just have macOS. I want to get rid of it and use Windows & Ubuntu.

So how do I remove mac OS and dual boot Windows and Ubuntu on this thing?

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  • Which apps that you need from OS X that you think Ubuntu would provided, but Windows would not? Jan 7, 2021 at 19:41
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    You are simply expecting too much out of a 7-year-old Macbook Air, which was never designed to do heavy lifting anyways. Of course the newest OS would render it slow, but the same problem would happen with a Windows laptop. Jan 7, 2021 at 21:28
  • Remove macOS and Install Windows 10 Only. Then install Ubuntu and try and get both to dual boot.
    – sfxedit
    Jan 8, 2021 at 2:49
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    @DavidAnderson Nothing really. A lot of apps I need are available on OSX/Windows but not ubuntu. So I'd like to use Ubuntu but have the option to boot into Windows. I just don't want to use OSX anymore.
    – piranhas
    Jan 12, 2021 at 15:05
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    I would assume the OP would install the current Windows 10. Windows 7 is now obsolete and Windows 8-8.1 are junk. However, I installed Windows 7 on a 2018 mac mini back in February and was able to upgrade to Windows 10 for free. Jan 12, 2021 at 16:53

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You can leave Windows as is and replace macOS with Ubuntu. There will be a conflict between the files in the EFI partition for Windows and the files the Ubuntu installer will place in this partition. One way to avoid this conflict would be to create a second EFI partition when installing Ubuntu. After the installation completes, move the Ubuntu boot files to this new EFI partition.

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  • I actualy only have macOS at the moment and would like to switch to Ubuntu+Windows. Would you recommend a certain order of doing things? eg. windows first or ubuntu first?
    – piranhas
    Jan 12, 2021 at 15:13
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    1) Use the Boot Camp Assistant to create an USB Windows 10 installer. 2) Install Windows 10 by erasing macOS and leaving space for Ubuntu. 3) Create an USB Ubuntu installer. 4) Install Ubuntu. Add a second EFI partition and an partition for Ubuntu. The swap partition is optional. 5) Move the Grub boot files from the first EFI partition to the second EFI partition. 6) Replace the Windows boot file in the first EFI partition that was overwritten by the Ubuntu installation. Jan 12, 2021 at 16:39

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