Asking help to fix my laptop

[Amara_1]

My laptop is dell and is windows 10 pro. It was a week ago. A sentence like water-mark apperared at the right bottom of the screen. It said to activate windows. I don't know how. I don't know where to find product key. My uncle said my computer is broke. I can't accept that cuz' i 'm still using it. I bought it in this January. Plz, help me.
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[Dark Lord of Tech]

MERGED QUESTION
Question from Amara_1 : "How to activate windows 10 pros"

My laptop is dell and is windows 10 pro. It was a week ago. A sentence like water-mark apperared at the right bottom of the screen. It said to activate windows. I don't know how. I don't know where to find product key. My uncle said my computer is broke. I can't accept that cuz' i 'm still using it. I bought it in this January. Plz, help me.

Where did the license come from????????

 

[Rocky Bennett]

What country do you live in?
Where did you buy the laptop?
Where did you get the license for Windows from?