To do this type cmd in the windows search bar.
Get windows 10 license key.
Volume license product key activation.
When you want to reinstall windows 10 or to get technical support from oems you need to know the computer serial number generally if you bought a desktop or laptop from oems like dell hp etc you will find it on a sticker on the machine itself.
Settings update.
Command prompt will appear in the search results.
If you are looking for a windows 10 key the better alternative will be to use the free version of windows 10 instead of buying a new license key.
Windows product key also known as oem original equipment manufacturer key is a 25 character long code used by microsoft to prevent unauthorized use of its software.
The windows 10 settings app has a page for displaying your activation information including whether you have a digital license though your key isn t shown here.
A digital license called a digital entitlement in windows 10 version 1511 is a method of activation in windows 10 that doesn t require you to enter a product key.
Find windows 10 product key.
It comes with all windows functionalities and you will get feature and security updates too.
Find your windows 10 product key using the command prompt.
If you lost your windows 10 product key use one of the methods shown in this post to find windows 10 serial number or license key.
Depending on how you got your copy of windows 10 you ll need either a 25 character product key or a digital license to activate it.