Windows 10: Slui 4 is not working

Hello,I have installed Windows 10 Pro on a laptop without internet connection. When I go to "System" > "Activation" I cannot find anywhere to activate my license via phone. I also tried running "slui 4" but it´s not working because nothing appears on my screen when I run it.I wait news

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SLUI 4

I want to know that why SLUI 4 is not working in my laptop ?

 

Trying to run slui 4 but nothing pops up

tl;dr When I run "slui 4" nothing pops up. No activation window, no error message, nothing. How can I fix it, and what else should I try to reactivate Win10?

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A few months ago, my wife upgraded from (a valid, activated) Windows 7 Pro N to Windows 10 Pro N (still activated). This morning, we replaced her motherboard and processor, and now we can't reactivate Windows.

I spent about 2 hours with Marte D (Ting) using the online support chat and the LogMeIn remote assistance tool. He tried many things, but nothing worked.

We tried running "slui 3" and entering the Windows 7 Pro N product key, but that yields error 0x803f7001.

He generated not one, but two, new product keys for me, and also tried entering those into the "slui 3" window. They didn't work either.

He tried many "slmgr" commands, including /rearm, /dti, and /rpik, but none of those led to success either.

Why not use phone activation? I'd love to! But when I try to run "slui 4", nothing appears. No idea why. I've tried running it from a command prompt too, in hopes that an error would be printed to the console, but no luck; it just returns instantly.

Marte was very patient, but after 2 hours, threw in the towel. He suggested I call the pro support team, since they'd have better tools to help me, so I tried it. The woman that spoke to me suggested I try entering the Win 7 product key into "slui 3", so
I tried again. Then she suggested I try "slui 4". When nothing popped up, she directed me to Microsoft's business support portal, and she rushed off the phone.

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What should I try next? I'm currently creating a Win 10 recovery drive, in hopes that it will repair my "slui" tool so that I can activate by phone, but would love any other suggestions you may have.

Thank you!

Erik

 

Trying to run slui 4 but nothing pops up

@JoeNamco: adding .exe did not help. Capitalizing the program name did not help. In all cases, the Activation Wizard does not appear.

@Andre Da Costa: the very first step of that article says to run "slui.exe 4". As I explained, the slui tool is not working properly. When I try to run it, nothing happens; no window appears, no error appears, nothing.