Install or Update osxfuse using osxfuse-{3.x.x}.dmg

Install Homebrew:

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ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

After installation, update homebrew formula using:

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brew update

Install ntfs-3g

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brew install homebrew/fuse/ntfs-3g

OSX 10.11 (El Capitan) must temporary disable System Integrity Protection
to avoid “Operation Not Permitted” error when operating files in /sbin.

• reboot in recovery mode to disable SIP

reboot by holding CMD+R to get in recovery mode

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csrutil disable

• replace mount_ntfs in /sbin

reboot normally from recovery mode

After booted in system, create a symlink for mount_ntfs

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sudo mv /sbin/mount_ntfs /sbin/mount_ntfs.original 
sudo ln -s /usr/local/sbin/mount_ntfs /sbin/mount_ntfs

• re-enable SIP

Just reboot by holding CMD+R to get in recovery mode, re-enable System Integrity Protection using:

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csrutil enable

Finally, reboot your machine, and your NTFS disk should be writable now.

Enjoy it 🙂