Triple boot

Hello everyone,

I want on my computer, install Niresh Lion (The folder i have that contain de iso is called "Niresh12495-Lion-10.7.3-V2"), but i want to keep my dual boot "Windows 7 / KUbuntu" i am fully new in Hackintosh so i dont know how to do. I will format to install these 3 fresh installations. Can anyone explain me how to do?

Thanks :)


My comp's specs :
Intel® Core™ i5 3570 Quad Core @ 3.3GHz
8 Go DDR3 PC3-10666
1 To HD Sata II / 7200 tpm
Motherboard MSI H61M-P20 (G3)
GC Sapphire Radeon HD 7850 @ 1Go
Antec High Current Gamer 520W

EDIT: I've just found that: http://www.hackint0sh.org/dual-booti...tems-84851.htm
Will it works?

Thanks