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I want to install Ubuntu in dual boot with windows 8.1 in my Acer V3-572G-75CA. The partition situation is the following:

A. 600MB: recover partition

B. 300MB: system EFI partition

C. 914GB: Windows 8.1 partition

D. 15.83GB: recover partition

Of course I have to disable UEFI boot for start the Ubuntu Live USB. But then? I can create an extended partition for / and /swap, but I need to free a primary partition, isn't it? Can I delete partition A and/or B?

marked as duplicate by Eric Carvalho, Jacob Vlijm, Fabby, αғsнιη, Mitch Feb 26 '15 at 6:46

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  • With UEFI you have gpt partitioning not the old MBR(msdos) partitioning with the 4 primary partition limit. With gpt the default limit is 128 partitions, but you can add more. Use Windows tools to shrink the Windows partition, make really good backups of Windows & efi partition and install Ubuntu with Something Else option. Install Ubuntu in UEFI option not CSM/BIOS. help.ubuntu.com/community/UEFI and: askubuntu.com/questions/221835/… YOu may have to enable password to allow UEFI boot. Never lose that. – oldfred Feb 24 '15 at 17:04

I realized that the hard disk has gpt partitioning and not the mbr, so I'm allowed to create up to 128 primary partitions.

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