How to get a unique hardware hash of a new laptop for register in Intune Autopilot

Dear Team,

How to get a unique hardware hash of a new laptop for register in Intune Autopilot

After purchasing a new laptop how to get a unique hardware hash for register in Intune Autopilot. 

We are an end-user and we want to register the own device in Intune Autopilot with any Microsoft Partner.

Please suggest the steps to get a unique hardware hash of a new laptop.

Thanks in advance