How do I install Windows natively?

Discussion in 'Windows, Linux & Others on the Mac' started by Tarek, Oct 3, 2016.

  1. Tarek macrumors 6502

    Jun 25, 2009
    Liverpool, UK
    Hi there

    I know it has been discussed in several threads I've seen before, but I've not really seen an actual step by step guide on how to achieve that or what the requirements are.

    I've always had problems when running Windows through Boot Camp because the battery drains really quickly, the laptop overheats, the fans are loud most of the time, and many other issues, and I've read that installing Windows natively through EFI eliminates all those problems.

    I recently purchased a 2015 rMBP and I'd like to install Windows 10 natively on it (since I know Windows 7 is no longer officially supported), so can someone please guide me on how to achieve that? I've come across a guide where I have to format the whole SSD and reinstall MacOS and then Windows, but I'd rather avoid that if there is any other way.

    I have a Windows 10 ISO which I downloaded from Microsoft's website and I can use that to make a bootable USB.

    Thank you for your time, ladies and gents.

    EDIT: I just read that Boot Camp installs Windows in EFI mode on MacBooks post 2013. Is that true?
  2. maflynn Moderator


    Staff Member

    May 3, 2009
    I think that occurs not because it was installed via bootcamp, but rather because the drivers to properly control and cool the machine are not included.

    I used these steps for a full install on my iMac, even though they're for an external drive, just reference to your internal drive where the steps mention the external drive. Also these steps will take your entire drive and dedicate it to windows, be sure that's what you want. That's what I wanted, and it worked flawlessly. I know have a full installation of Windows running on my iMac and no OS X on the internal drive.

    Credit to yjchua95

  3. Sincci macrumors regular

    Aug 17, 2011
    It is. You'll just need to open the Windows 10 .ISO in the Bootcamp Assistant and it will install it in a native UEFI/GPT mode without any extra hybrid MBR partitions.
  4. MacBAir macrumors member


    Aug 5, 2016
    Did you also install the bootcamp drivers, right?

    One thing that could be causing you issues: Recently, I installed win7 sp1 on my 2011 MBAir. After everything was said and done, one core was stuck at 100%, and the fans were going for it.

    To my surprise, it was windows update. It took days and days of research in order to find an way to update Windows, because Windows update would get stuck. It is a known issue, and it will happen on every single new Windows 7 installation, some Windows 8.1, and even a few Win10 installations.

    It has been this way since a long time. Also, Win10 newest updates are causing chaos in a big, big percentages of computers. It turns out Windows 10 isn't a fast, stable and secure system.

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