Minimum Requirements : Compatible motherboard, Intel SSE2 CPU, 512MB RAM, 15GB free space on target partition, compatible VGA card.

Recommended : Intel Core CPU, 1GB RAM, 15GB free space on target partition, Snow Leo compatible nVidia 6600 or newer / ATI X1300 or newer / Intel GMA 950 or X3100 VGA card.
[NOTE : TO CHECK YOUR SYSTEM DETAILS, DOWNLOAD AND INSTALL CPU-Z]

Pre-Installation Steps :

*Download iATKOS V2 Snow Leopard 10.6.3 by searching on Google or any other torrent site*
*Cannot post links, due to Copyright Policy*
*Create a different partition for installation of Snow Leopard*



#1 Boot iATKOS Snow Leopard 10.6.3 DVD into your System.
[When asks to boot from CD, press only 'Enter']

#2 Loading Screen with a Apple Logo will appear in the center, it will take around 15-20 mins, depending upon your system.

#3 When Dialog box appears, press Continue.

#4 From Apple Taskbar [Top of screen], Under 'Utilities' tab, select 'Disk Utility'.

#5 Select the Partition [From options in Left Window] you've created for Snow Leopard in Pre-Installation Steps.

#6 Under Erase Tab [Mid-Right of Window], In Volume Format select 'Mac OS Extended (Journaled)' and give any name to Drive. Then click 'Erase'. It will roughly take 2 mins.

#7 Close Disk Utility Window and you will be restored to main window. Click 'I Agree' and select the Disk you've just formatted.

*MOST IMPORTANT STEP*
#8 Before clicking Next/Continue, Click on 'Customize' [Bottom Left]. Select the drivers as per your system requirements.

I selected the below ones :
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Bootloaders - (Deselect if any by-default
Charmeleon v2 RC4

Patches - (If you have knowledge about this, change it otherwise let it remain what is selected.)

Drivers -
VGA -
nVidia -
EFI String for nVidia -
VGA/DVI
Enablers -
NV Enabler
System -
SATA/IDE -
Intel SATA/IDE
Audio
Voodoo HDA
USB
PS/2 Mouse/Keyboard -
Voodoo PS/2 Driver
NTFS-3G
Network -
Wired -
Realtek {Whole if you don't know about your Realtek Ethernet card}

Language Translations -
{If you need any language translations, select them}
_________________________________________________

#9 Click Done and Install.

#10 After installation is complete, your system will be restarted.

{If any errors occur, it is due to the Drivers you've selected in Step #8, so you'll have to repeat from Step #1}