1. Ryan ODonnell's Avatar
    Right here goes.

    I have an Acer Iconia W3-810 and I've been running the Windows 10 Insider Preview on it. I did a clean install, removing Windows 8.1.

    However, I want to stop receiving Insider Builds as I am on 10240. I know how to get off these builds, but I wanted to know the consequences of doing so.

    Would I have to revert back to Windows 8 and upgrade all over again or can I activate Windows 10 using the product key saved in my UEFI from when I had Windows 8 preinstalled on my device when I first got it?

    Many thanks :-)
    07-29-2015 11:58 AM
  2. a5cent's Avatar
    You're in luck! There are no consequences

    Just be sure that "automatic updates" is turned on, and you're good to go. Not getting off the Insider program is the option that will have consequences, because MS will continue to release pre-release software through that channel.
    07-29-2015 12:01 PM
  3. GrayW0lf's Avatar
    Are you sure about that, a5cent? I'd heard that if you did a clean install of the Insider/TP builds, your key was good as long as you remain on the Insider program. Did that get changed somewhere?

    If not, then the OP may be asked to provide a key for the previous Windows install or else have to reinstall the RTM build via ISO/USB tool.
    a5cent likes this.
    07-29-2015 12:11 PM
  4. Ryan ODonnell's Avatar
    I got my Windows installation key from my BIOS using a tool called ProduKey! I think I'll give it a shot and if it doesn't work, I'll reinstall the Insider Preview!
    07-29-2015 12:28 PM
  5. a5cent's Avatar
    Are you sure about that, a5cent? I'd heard that if you did a clean install of the Insider/TP builds, your key was good as long as you remain on the Insider program. Did that get changed somewhere?

    If not, then the OP may be asked to provide a key for the previous Windows install or else have to reinstall the RTM build via ISO/USB tool.
    Yes, you're right. I skimmed over the post too quickly. Sorry Ryan.

    I think the basic premise of my answer is still correct though. There are no consequences, or at least no immediate consequences. Ryan's insider preview installation is basically an unlicensed version of Windows that will eventually expire, although I have no idea when. If you opt out of the IP program you'll just stop getting previews and only get the regular updates like everyone else.

    I've never seen or read that opting out of the IP program will cause Windows to ask for validation of anything. Even if it did, having the W8.x license key on hand is pretty much useless.

    Ensuring a W10 installation is genuine and legally licensed requires a valid W10 license key. You get that by either purchasing a W10 license, or by upgrading your existing W7 or W8.x license key. The later is only possible as part of the in-place upgrade process.
    GrayW0lf likes this.
    07-29-2015 12:49 PM
  6. mestari's Avatar
    So if i stay in the insider program, I will be activated? Because I did a clean install from build 10130 and now I'm unactivated, 8.1 OEM key doesn't work.
    07-29-2015 02:39 PM
  7. a5cent's Avatar
    As always...

    you must have gone through the online in-place upgrade process from W7 or W8.x at least once. Failing that, your installation will never be activated.
    GrayW0lf and mestari like this.
    07-29-2015 02:44 PM
  8. mestari's Avatar
    As always...

    you must have gone through the online in-place upgrade process from W7 or W8.x at least once. Failing that, your installation will never be activated.
    But i have done an in-place upgrade from 8.1 to build xxxxx and then all the way to build 10130, and then i did clean install to windows 10 home (rtm) , so why doesn't ms recognize that?
    07-29-2015 03:48 PM
  9. a5cent's Avatar
    Why can't ms activate it? I had official 8.1 and even was part of insider program for almost a year
    I have absolutely no idea...

    I'm starting to come to grips with how it all ties together, but it's way to convoluted and not very user friendly...
    GrayW0lf likes this.
    07-29-2015 03:49 PM
  10. mestari's Avatar
    Guess i have to buy the 100€ product key then... I can't reroll back to 8.1, don't have backup for it.
    07-29-2015 03:52 PM
  11. a5cent's Avatar
    All you need is the W8.x license key. Newer machines have the license key embedded in the BIOS so you may not need even that. You can also download W8.1 installation media here:

    Create installation media for Windows 8.1 - Windows Help
    mestari likes this.
    07-29-2015 03:58 PM
  12. mestari's Avatar
    I just got email from Microsoft saying that if you're experiencing error 0xC004C003 with activation, you should wait 24 hours and windows will be activated automatically!
    a5cent and GrayW0lf like this.
    07-29-2015 04:09 PM
  13. a5cent's Avatar
    I just got email from Microsoft saying that if you're experiencing error 0xC004C003 with activation, you should wait 24 hours and windows will be activated automatically!
    I saw that you edited your post #8 after I had responded to it. Since you apparently did do an in-place upgrade, I think you have good chances that it will activate later on. That's how it's supposed to work anyway.
    GrayW0lf and mestari like this.
    07-29-2015 04:19 PM
  14. mestari's Avatar
    I saw that you edited your post #8 after I had responded to it. Since you apparently did do an in-place upgrade, I think you have good chances that it will activate later on. That's how it's supposed to work anyway.
    Yeah, we'll see in a few days when they get this sorted out. Thanks for your answers!
    GrayW0lf likes this.
    07-29-2015 04:28 PM

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