1- Install VMware downloading it from here http://www.intercambiosvirtuales.org/software/vmware-workstation-12-pro-multiples-sistemas-operativos-ejecutandose-en-tu-ordenador

2- Download this version of RemixOS http://forum.xda-developers.com/remix/remix-os/remix-os-pc-hacked-edition-ota-v2-0-201-t3345968 and also windows XP or better (you can use this link http://pcriver.com/operating-systems/windows-xp-professional-iso-download/)

3- Create a new virtual machine. You can use this guide http://imgur.com/a/hYosd

4- Wait for the configuration of windows

5-Copy the ios and the installer to the virtual machine

6-Run the installer

7- Follow all the steps that appear at the screen

8- After the reboot that RemixOS need to do, restart the machine again

9- Press Tab very quickly and you should see the RemixOS menu. Choose resident mode and wait

10- If your mouse is stuck, choose your virtual machine -->  edit virtual machine settings --> Options --> Guest Operating System then choose Linux and version Ubuntu --> Ok

11- Click Start, scroll down and open SuperSU, expert, update it with 'normal' update and reboot. Open SuperSU, settings, scroll down, 'full unroot'. If it won't end after 3-4 minutes, reboot OS and try again.

12- Now FGO should work