If you need help finding your product key see find your windows product key.
Get windows 10 activation key from registry.
If your product key is scratched blurred or otherwise unusable contact the retailer who sold you the product.
Here s how plus a neat little trick for finding the product key using a windows registry method.
For more information about digital licenses and product keys in windows 10 see the methods of activation section in activate windows 10.
The product license is saved in the registry and evaluated each time you load a windows update.
Search for command prompt right click on the result and select run as administrator in the command prompt window type slmgr cpky and press enter the product key will be removed and you will see a product key from.
This key is saved in the windows registry.
If you need help determining if your copy of windows is genuine microsoft software see the how to tell page.
You don t even need to.
When you install or reinstall the same edition of windows 10 windows 10 pro windows 10 enterprise or windows 10 home on a same computer you do not need to enter the product key to activate it in a normal way.
The key for the version of windows the pc comes with is stored in the computer s uefi firmware or bios.
Embedded in your pc s uefi firmware.
Here s how plus a neat little trick for finding the product key using a windows registry method.
Many newer pcs that come with windows 8 or 10 use a new method.
However if you get a new computer preinstalled with windows 10 and now you want to reinstall it to solve some system problems windows 10 product key will be necessary during reinstallation.
Remove windows 10 product key in registry.
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.
If you aren t able to get help from your retailer or have already tried and couldn t get a working key call microsoft support.
If you re looking for your windows 10 product key you can find it by entering a quick command in the command prompt.
The one in the registry and key viewer application is a red herring.
These the steps you should follow to clear or remove windows 10 product key in the registry.
If windows 10 isn t activated on your device see get help with windows 10 activation errors.
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.
Settings update.
This system was common for windows 7 pcs.
Open the start menu in windows 10.
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.