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I downloaded the huge Windows 7 .iso file and burnt it to a DVD.

I then used that DVD to install Windows 7 on my machine and then realized that I the .iso file was on the Vista operating system that I replaced with Windows 7 (didn't upgrade).

So now I would like to get the .iso file back but with the same key, etc.

How can I convert the DVD I burned back into an .ISO file?

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2  
afaik, the key isn't bound to the .iso, I did install two Win7 from same iso with different keys. –  Joakim Elofsson Aug 2 '09 at 16:50

6 Answers 6

up vote 13 down vote accepted

ImgBurn is a nice, free tool for creating disc images as well as burning them.

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+1, and they have just released 2.5.0.0 update –  nik Aug 7 '09 at 3:28
1  
Can be made portable too by starting with a shortcut: ImgBurn.exe /portable –  Umber Ferrule Aug 10 '09 at 13:57

Like @Joakim points out in the comments: you can also download the iso again. But if you want to save on bandwidth:

LC ISO Creator is very small, lightweight, free and portable!

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ISORecorder will create ISOs from discs.

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You can install Windows 7 on up to 3 computers with the same key (Win 7 FAQ) and the key is not tied to a particular ISO download.
An easy way to create an ISO from a disk is to use ImgBurn.

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MagicIso

it offers Virtual image creation, burning existing images, support different types ISO, UIF, NRG, BIN and CUE, mount Virtual CD/DVD drives and more.

alt text

[EDIT]

I didn't know it's not free, though it doesn't require any registration or anything like that!

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I like MagicISO ... not free, but well worth it.

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