Check the MD5 checksum of your iATKOS_ML2.dmg . It should be 2aa379fc63fa20ad95e046e14a8b30d4 . Use TransMac: Open TransMac as Administrator.

: Provides built-in support for common wired and wireless network chips from Intel, Realtek, Atheros, and Broadcom. مدرسة الراشد الصالح الخاصة Technical Requirements

iATKOS ML2: A Technical Overview of macOS Mountain Lion 10.8.3 Portability

Allows you to select specific drivers (Kexts) for your motherboard, audio, and network chips during the setup process.