After finishing the Windows setup, you may get a message on the desktop screen Activate Windows.
Go to parameters to activate Windows.
This watermark is annoying.

How to find out if Windows 10 is Genuine or not?
This post will show you two useful methods to check genuine Windows 10.
During the installation of Windows 11, the system will be activated automatically.
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In addition, you might move to the next way to activate Windows 11.
Launch Command Prompt as an administrator in Windows 11.
How to open Command Prompt (CMD) in Windows 11?

Install a license key: bang out the commandslmgr /ipk kmsclientkeyand pressEnter.
you’re able to search for it online.
Then, you get a message Installed product key successfully.
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- you oughta set a KMS server by using the commandslmgr /skms yourserver.
The server can be kms.msguides.com, kms8.msguides.com, etc.
Typeslmgr /atoand pressEnterto activate Windows 11.
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How to peek if Windows 11 Is Activated?
Now try 4 helpful methods to permanently fix Windows 7 not genuine.
Or else, a piratic version could cause some security issues, potentially causing data loss.
Talking about PC backup, run MiniTool ShadowMaker, one of thebest backup software.
Then, follow the guide How to Backup Windows 11 to External Drive (Files & System).
Just choose one way to get an activated Windows so that you could personalize the PC.