If using a physical Mac, you must burn the ISO to a Dual Layer (DL) DVD (approx. 7.4GB) or use a USB drive.
What (e.g., 2006 iMac, 2010 MacBook Pro) are you using? mac os x 106 snow leopard 32 bit iso download hot
A dedicated site for legacy Apple software. They host various versions, including the 10.6.8 combo updates If using a physical Mac, you must burn