Theoretically you will never be asked for a key to activate your machine.
Get windows 10 license key from bios.
Your windows license key will appear.
This will work on windows 10 8 1 7 vista.
For more information about digital licenses and product keys in windows 10 see the methods of activation section in activate windows 10.
But to have the process run smoothly you will need the right windows 8 10 installation media that matches the one stored in bios.
Luckily we re here to help.
If you re planning on doing a reinstall of windows but can t find your product key you re in luck because it s stored in the windows registry.
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.
This only means that in order to recover it we will need to use the good old produkey tool by nirsoft which helps users and sysadmins to recover windows office and sql server serial numbers license keys and product keys since 2005.
If that s the case it simply means that our product key is stored into the windows registry.
As you can see in the screenshot above the product id is stored in the registry but is in a binary format that can t be read by.
If you ve installed windows with a different key since then or acquired a digital license it will be different.
If your product key is scratched blurred or otherwise unusable contact the retailer who sold you the product.
In other words it shows the original windows key your computer came with.
It s just not easy to find and it s impossible to read without some help.
Windows 10 product key tool made by the developer of easybcd this tool located our uefi oem key but didn t find the retail license on our windows to go drive.
In windows 10 the product key will probably be encrypted tied to your microsoft account and stored by microsoft.
Despite the rather rusty interface it still.
This method displays the windows product key stored in your computer s bios or uefi firmware.
The key is now embedded in bios and can be retrieved automatically during the activation process in windows 8 10.