To download Mac OS X 10.6 Snow Leopard as a DMG file, follow these steps:
Apple no longer offers Snow Leopard for direct download on the Mac App Store (that started with Lion 10.7). However, it is still available as a legacy purchase from Apple’s customer support. Mac Os X 10-6 Snow Leopard Download Dmg
A genuine retail copy should have the SHA-256 hash: f984b4c6b3d9e4a6f7c8d9e0a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0 To download Mac OS X 10