I have Windows 10 installed on 3 laptops and only 1 of them can be activated. I checked the product keys and they are the SAME. All 3 of those laptops had their own product keys prior to the upgrade. They are also connected to the same Microsoft account. Edit: I just received an email with the following message:

Hi Daniel,

It looks like you've reached your device limit for installing apps and games from the Store on your Windows 10 device. If you want to install apps and games from the Store on another Windows 10 device, remove a device from the device list.

Remove a device now

What is the deal here?

Update 7/30/15: I was able to successfully activate on a second laptop. Maybe they fixed it?

Update 8/1/15: Problem seems to be solved. Activated successfully on desktop, 3 laptops, and surface pro 3.

  • What method did you use to install Windows 10 on them? Did you reserve prior? – MC10 Jul 29 '15 at 23:43
  • @MC10 Yes I reserved on all 3 of them. – Daniel Harris Jul 29 '15 at 23:49
  • 2
    @Daniel Answer both questions please. – Paul Jul 29 '15 at 23:51
  • @MC10 1) I opened the GWX app and hit the "continue" button. Then accepted the license agreement. Then it automatically rebooted to the black screen installation process. 2) Yes, I reserved using the same Microsoft account on all three laptops. – Daniel Harris Jul 30 '15 at 0:32
  • Apparently the new limit is 10 installs (down from 81 for 8.1). Maybe you have some old dead devices still connected via the account? Phones or tablets? - windowscentral.com/… – goblinbox Jul 30 '15 at 0:36

I received the same email last night. For me, the problem seems to have been triggered by a Windows 8.1 device that I upgraded that did not properly activate after the upgrade. I assume that I received the email because my Microsoft account was associated with the non-activated install.

Activating Windows seems to have resolved the issue.

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  • I'm not on Windows, but curious: when upgrading an activated Windows installation, is activation of Windows 10 then still needed? – Arjan Jul 30 '15 at 15:14
  • @Arjan - Yes. Of course it is. – Ramhound Aug 2 '15 at 0:55
  • @Ramhound, my bad if I was not clear, just to be sure: I meant manual activation. – Arjan Aug 2 '15 at 9:08

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