📎 AI Summary:
The thread discusses upgrading a Windows 10 Home installation to Pro using a Pro license key, with the original poster seeking confirmation on whether the license can be reused to activate Pro on one machine and then install Home on another. An answer confirms that using the Pro key via the "slui 3" command can upgrade the existing system. The original poster then clarifies if this process will free up their Home license for use on another machine, and the respondent explains that it depends on whether the license is retail (which can be transferred) or OEM (which is tied to the original device). Overall, the discussion suggests that retail licenses are transferable, enabling the user to upgrade and then reassign the Home license to a different machine.
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grumpycake

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Nov 6, 2016
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2
Thread Author #1
Hi,

I have 2 copies of Windows 10, 1 Home, 1 Pro.

I have Home installed on one machine and the other is not yet installed.

I want to upgrade the Home to Pro and use the Home on another machine.

Can I use my pro license key to upgrade the Home (so that I don't have to reinstall everything) and then install Home on my other machine using it's original code?

Thanks
 

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Neemobeer

Neemobeer

Windows Forum Team
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Jul 4, 2015
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#2
Yes, from a command prompt type slui 3 enter the Pro key and it should install all the necessary components.
 

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grumpycake

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Nov 6, 2016
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Thread Author #3
Thanks, and my version of Home will be freed up to install on another machine?
 

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Neemobeer

Neemobeer

Windows Forum Team
Staff member
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Jul 4, 2015
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8,995
#4
If it's a retail license then yes, if it is OEM (came with the computer then no it is tied to that computer)
 

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