Unlock all editions from Windows 7 ISO image (x86 and x64)

1. Download any Windows 7 RTM ISO image from MSDN or TechNet websites. Say we have Ultimate edition.

2. Use 7-zip to extract that ISO to a particular folder and go to Source folder and look for ei.cfg file.

EI.cfg is a Windows Setup-specific configuration file used to determine what edition and license will be used during installation. This file replaces PID.txt and is located on the product media under the Sources folder in Windows Vista DVD

To get desired edition-

3. Use Notepad to edit and save this file by change desired EditionID. Valid EditionIDs are:

• Ulimate
• Professional
• HomePremium
• HomeBasic
• Starter

To get all editions-

4. Just delete the file and finally create the bootable ISO and burn your unlocked disc.

Applies To:

• Windows 7 family(x86 and x64)
• Windows Server 2008 R2 family(x86 and x64)