Well, there can be many answers for that, you would need to activate your windows 10 to get access to all the system functionality. Technically, you do not need to activate your Windows 10 OS because it will run just fine for basic tasks.

But, you will get the annoying Activate windows logo on the bottom of the screen at all times. This can annoy you, you can still use the basic windows 10 features if this does not annoy you. So, the answer to your question is, Yes, you do need to activate the windows 10 to get the full functionality.

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