How to find the product key on a toshiba satellite laptop

[lewisbianca0801]

Getting ready to purshase windows start up disk for reboot but not sure where to find product key on laptop if able

 

[USAFRet]

Getting ready to purshase windows start up disk for reboot but not sure where to find product key on laptop if able

What OS is this?

 

[webworkings]

https/support.microsoft.com/en-us/help/10749/windows-10-find-product-key