Alright, but the readme file says:
What's New in This Release
==========================
- Support for Microsoft Windows 8.1
- Support for Microsoft Windows Server 2012 R2
- Support for the Intel(R) Ethernet OCP Server Adapter X520-2
- Support for the Intel(R) Ethernet OCP Server Adapter X520-1
- Removed driver and software support for Microsoft Windows Vista*
- Removed driver and software support for Microsoft Windows Server 2008 R1
- Removed Microsoft Windows driver and software support for Itanium-based systems
I realized that the Windows Update driver (12.7) is the same as the included in the latest Intel package, but you cannot complete the installation (with PROSet and other stuff) if you use the "box" driver (12.6). Thank you for replying.