Windows 10: Serial Number for Win10 shows as "default string"?

I am replacing the ssd of my machine, it is inoperable at this time so I am not able to boot it to access the number. When I log in here, it shows the device registered but the serial number just say default string. How do I get windows installed on my new ssd if I don't have the serial for it?

:)

 

computer does not show make, model or serial number

Yes, 1) Search for: cmd 2) Press: Command Prompt

Then highlight all of this next text, copy, and paste in Command Prompt, and then press Enter Code:

 

Serial Number " Default string " so we can't activate windows with digitally linked key

Recently i changed my motherboard to GIGABYTE, the problem is it has the serial number " Default string" So I can't able to reactivate my windows using the digitally linked key. I asked the Gigabyte also but they are saying its normal. I googled it a lot of people said we can see the device if it has the proper Serial number, without that the windows won't detect the motherboard to activate it

 

Windows laptop serial number

That should give you your serial number. You can go directly into your BIOS and find your serial number.