how to know your pc or laptop serial number within a minute by cmd

Hello friends today i m going to share a tricks , How to know your computer or laptop serial number

by cmd (command prompt) so lets get start  

 first of all  press window + R  key and run command will open  type there cmd 

Click on OK and  cmd will be opened now you have to type there wmic bios get serialnumber and Press enter

Now your PC or serial number will be shown same as a  pics given below 

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