I'll be using my x64 and x86 RTM , you can use the ones you have (retail, etc.), the procedure is the same. 1. Please download and install the Windows7 Automated Installation Kit (AIK). 2. Please create a working folder: c:\Windows7AIO\Distribution\ and two more folders in it x86 and x64 3. Now, copy all the contents of your x86 DVD to the distribuition folder, in c:\Windows7AIO\Distribution\ 4. Move the file named install.wim from c:\Windows7AIO\Distribution\Sources to c:\Windows7AIO\Distriburion\x86 Delite all *.clg files from source folder!! And ei.cfg!! 5. Copy the file named install.wim from the Sources folder of your x64 RTM to the folder c:\Windows7AIO\Distribution\x64 (only install.wim) 6. Now, with admin rights, open the Deployment Tools Command Prompt (click in Start/All programs/Microsoft Windows AIK) 7. We change directory to our working folder: Code: CD c:\Windows7AIO\Distribution\Sources 8. OK, here's the tricky part. We are now about to export the images of each windows version to a single .WIM image file. The command to do this is IMAGEX.EXE. The syntax is as follows: Code: imagex /export c:\Windows7AIO\Distribution\x86\install.wim 1 .\install.wim "Windows7 Home Basic x86" imagex /export c:\Windows7AIO\Distribution\x64\install.wim 1 .\install.wim "Windows7 Home Basic x64" This is what the first line of code does: export Version 1 of the source image file named Install.wim located in the folder c:\Windows7AIO\Distribution\x86 to the destination image file named Install.wim located in c:\Windows7AIO\Distribution. The number 1 corresponds to the Home Basic edition of Windows, take a look at the following table, for the SourceNumber and its corresponding Windows Edition: Number Windows x86Edition 1 Home Basic 2 Home Premium 3 Professional 4 Starter 5. Ultimate Number Windows x64Edition 1 Home Basic 2 Home Premium 3 Professional 4. Ultimate *there is no starter edition in x64! Thus, for example if we wanted to add the 64bit Ultimate version of Windows7 to our newly created image we type the following command: Code: imagex /export c:\Windows7AIO\Distribution\x64\install.wim 4 .\install.wim "Windows7 Ultimate x64" 9. Now that we've created our .WIM image file, let's create our ISO image file to make it ready to burn it to a DVD. To do this, still in the Deployment Tools Command Prompt window, we type: Code: oscdimg -n -bc:\Windows7AIO\distribution\boot\etfsboot.com c:\Windows7AIO\distribution c:\Win7_AIO.iso -m This will create an ISO file named Win7_AIO.iso in c:\ Delete x86 and x64 folder!!Delete al .clg files from your distribution folder!! Delete Ei.cfg!! Burn it with Nero on DVD and thats it! thx go to member chon's guide on on MSFN forum, that I modified to win7 Enjoy