Go to Applications > Utilities in the top bar and choose Terminal. Reboot the Mac and keep COMMAND + R pressed during the booting process.

I chose to resize and create a new partition of 50GB for Bliss OS and I formatted this new partition as NTFS. OPTIONAL: You have the option to either install Bliss OS on the same partition as Windows or you can resize the Windows partition using the Disk Manager in Windows and create a new partition for Bliss OS.

Unpack the rEFInd zip and copy its directory to the Bliss OS bootable stick. Install Rufus and create a bootable stick for Bliss OS using the ISO you downloaded earlier. At this point the system will still use Apple's bootloader, which by design is capable of booting Windows too.īoot into Windows and download a) the latest version of Bliss OS, b) the latest version of the rEFInd boot manager and c) Rufus, a program for creating bootable USB sticks. Note: Once Boot Camp is done installing Windows you will be able to boot into it and select it as boot option when the Mac starts up. I wanted 32GB for the Bliss OS data image so I accounted for 50GB extra for BlissOS when choosing the size of the BOOTCAMP partition. When you choose the size of the BOOTCAMP partition please account for the extra space you will need for Bliss OS including its data. The process will allow you to resize the macOS partition and will create the Windows partition called BOOTCAMP for you. Launch Boot Camp Assistant and follow the instructions to install Windows using the downloaded ISO. I don't know if it might actually work with FileVault on, but probably not.ĭownload the Windows 10 installation ISO from Microsoft's website. Note: I have not tried this multiboot process with FileVault enabled because I read FileVault does not play nicely with multiboot so I just decided to disable FileVault. Apparently it's a fairly common problem as I found many reports online. This happened to me and I couldn't find a solution. Recovering from this state might require wiping the entire SSD from macOS recovery. This can take a long time (hours) if you already have it turned on and sometimes it can result in a locked state where the filesystem is not fully decrypted and the option to turn FileVault on or off is greyed out. Read at the end.ĭisable FileVault (disk encryption in macOS). # Install on Mac OS # Triple boot macOS, Windows and Bliss OSĪlternative: It should be possible to skip the Windows installation.

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