The "Orion" project introduced several optimizations and integrated tools over the standard Windows 7 Professional: Integrated Recovery Tools : Includes native integration of MSDarT 6.5
Using modified ISOs from unofficial sources is for primary computers because: windows 7 pro duo sp1 v2 orion multi better
To be clear:
It comes with the Microsoft Diagnostics and Recovery Toolset (32 and 64-bit), allowing you to repair system files, reset passwords, and fix registry errors without booting into the OS. Orion Software Pack: allowing you to repair system files