Hi Marjan
I am trying to help you, but if you mark my replies as unhelpful, it makes it even more difficult to do so. Others will also be less willing to help you with your problem too.
What is the exact make and model?
Open Start, type: system information
Hit Enter
Click System summary
Look in the right pane
Copy the system sku info into reply here.
See example: https://imgur.com/qzektpA
Which version of Windows 10 is currently installed? See how to verify:
https://answers.microsoft.com/en-us/windows/wik...
Which version and edition Windows did you originally upgrade from or was installed prior to your current version:
Windows 10 - 1703, 1607, 1511, 1507 (build 10240)
Windows 7 Starter, Home Basic, Home Premium, Windows 8.0 Core, Windows 8.1 Windows 7 Professional, Windows 7 Ultimate, Windows 8.0 Pro, Windows 8.1 Pro