Are KMS methods for activating windows dangerous??????????/

Hello everyone,,..

I try to activate my windows version with a tutorial i found somewhere, it uses a KMS server to activate the key.

I tried two methods, one including only a few cmd commands and the other pasting a code from the internet on the cmd, the method one activated my windows correctly, but before trying that method and try to activate windows with the copy - paste method, but that method dont work very well, and now try to figure out if it was dangerous, i analyzed the code and there was nothing "strange", i let the two methods:

the method that worked:..

Thanks,,,...