Windows 8 and 8.1 Forums


OEM re-install question.

  1. #11


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Windows 8.x doesn't have an ei.cfg file either. Putting one on the MSDN ISO will lock it into one version. Windows 8 works differently. The stock MSDN ISO's will read your key and install Core or Pro depending on what the embedded key is. If no key is found or its a SL or Bing key, you get prompted to enter a key. Enter a Core key and Core is installed, enter a pro key and pro is installed. There is no option to leave it blank, if you do you can't go any farther because it doesn't know what version to install without a key. Add an ei.cfg and its locked into what ever version you code the ei.cfg file for. You can now leave the product code field blank and install in a 30 day trial mode. Officially I don't think its called trial mode but that's what it equates too. You have 30 days to enter a key and activate or you progressively loose funtionallity until it refuses to work anymore.

    The Media Creation Tool download is version specific. You get Core or Pro or Single Language. They will only accept their respective keys during installation. The Core download is a bigger file because it has the ability to be upgraded to Pro through add features. I do not believe it will accept a Pro key during installation though. If it did there wouldn't be any point in having the separate Pro download. Haven't tried it myself, not intentionally anyway. When I install Pro on my laptop I add a PID.txt file to save having to type the code in and speed up installation..

    They could likely add all version to the one ISO. Likely wouldn't fit on a standard DVD then though. Not an issue for some of us but likely would be an issue for Joe average computer user. My 4 gig thumb drives are almost useless for install media now. The MSDN image is just to big to fit on them. The Media Creation Tool Image just fits, if I create the media manually with diskpart.

      My System SpecsSystem Spec

  2. #12


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Quote Originally Posted by Superfly View Post
    Yup, the all-in-one windows 7 ISO's were a pleasure - unfortunately, the ways things are going with ESD distribution, that is a thing of the past... The good news on the other hand is that Windows 10 editions have been drastically cut down to just Core, Pro and Enterprise in the current schema (although all previous Win 8 editions, apart from WMC, are supported) ...with only Pro as an OEM version - it may change come GA release but here's hoping...
    Yeah, that was a nice easy mod so all you needed was two images, a 64 bit and a 32 bit. One of the first things I did when a new Windows 7 ISO came out.
    Last edited by alphanumeric; 13 May 2015 at 05:26.
      My System SpecsSystem Spec

  3. #13


    Alpha, I may be misinterpreting your setup, but if one leaves the Edition section blank in the ei.cfg - it will display a selection of editions during setup ... anyway that was how I got Windows 10 Home edition installed from the official ISO.
      My System SpecsSystem Spec

  4. #14


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Quote Originally Posted by Superfly View Post
    Alpha, I may be misinterpreting your setup, but if one leaves the Edition section blank in the ei.cfg - it will display a selection of editions during setup ... anyway that was how I got Windows 10 Home edition installed from the official ISO.
    You'd know more about modifying the ei.cfg than I do. My comment in the post before yours was in reference to Windows 7. I haven't done anything with Windows 10 as far as the ei.cfg file goes. I haven't really done much in 8 either. I think I added one once to get trial mode but that's about it. My laptop has an 8.0 Core embedded key. To install Pro on a clean install I have to either add a PID.txt file with Pro key to my MSDN ISO, or use the Pro MCT download. Otherwise I have to install Core and then upgrade to Pro through add features. I could add an ei.cfg to lock into Pro but I'd still have to enter a Pro key so the PID.txt file is just easier.
      My System SpecsSystem Spec

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OEM re-install question.
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