What will happen if I never activate windows 10?

I have HP Probook G3 with Corei5 processer and 8 GB of ram; I have recently installed windows 10 on my laptop. From last 2 weeks Windows is asking me to activate, what would happen if I don’t activate it?

Eerik2015 Windows 10 9/8/2017 12:28:33 AM 59 Times