Windows 10: How can i reactivate windows 10 on a new motherboard with the same key?

I have recently upgraded my motherboard and processor. My old system is self assemblied from seperately purchased parts, including the OS that is brought from the store in a box.

After reinstall the system, the key is obviously not available for a second use. I try to boot up my old system and cant find a way to "deactivate" the key in order to transfer the lincense to my new one.

Is there a correct way to transfer that? Or the license key is binded to my old motherboard forever.

:)

 

Reactivating Windows 10 with new motherboard

Plugging it into the new motherboard should be enough, but create a recovery drive in case you need to perform a startup repair:

• How
  to: Create a Recovery Drive for reinstalling Windows 10

The fact that you don't have a license key concerns me. If Windows 10 came preinstalled on your computer, you can't transfer it to a new computer or motherboard. You will need to purchase an entirely new license.

Learn more about transferring licenses:

• How to Transfer your Windows 10 License to a New Computer

 

win 10 motherboard change, reactivating windows

It depends on how Windows 10 was originally configured on your computer.

If its a full retail store bought license online or offline, it is transferable to a new computer or motherboard.

If its the free upgrade from a retail store bought Windows 7 or Windows 8 license, it is transferable to a new computer or motherboard.

If its the free upgrade from a OEM preinstalled Windows 7 or Windows 8 license, it is NOT transferable to a new computer or motherboard.

Learn more about transferring your license:

How to Transfer your Windows 10 License to a New Computer

If its a retail license, learn how to reactivate:

Activate Your Windows 10 License via Microsoft Chat Support

Windows 10 Digital License

When you upgraded from a previous version of Windows or receive a new computer preinstalled with Windows 10, what happened is the hardware (your PC) will get a digital entitlement, where a unique signature of the computer will be stored on Microsoft
Activation Servers. The Windows 7 or Windows 8 genuine license you were previously running will be exchanged for a diagnostics key.

Anytime you need to reinstall Windows 10 on that machine, just proceed to reinstall Windows 10. It will automatically reactivate. You will prompted to enter a product key a couple times through the installation, click I don't have
a key and Do this later.

There is no need to know or get a new key, but if you have issues with Digital Licensing or the Activation Troubleshooter, you can utilize an existing Windows 7 or Windows 8/8.1 product key you already own to
reactivate if necessary. or use the reset function in Windows 10.

Activate Your Windows 10 License via Microsoft Chat Support

Reinstall by Performing a Direct Clean Install

If Windows 10 was already installed and activated on your system, just proceed to perform a direct clean install as described in the following articles.

Step 1: How
to download official Windows 10 ISO files

Step 2:

• How to: Perform a clean install of Windows 10

 

can i reactivate windows 10 after changing motherboard?

It depends on how Windows 10 was originally configured on your computer.

If its a full retail store bought license online or offline, it is transferable to a new computer or motherboard.

If its the free upgrade from a retail store bought Windows 7 or Windows 8 license, it is transferable to a new computer or motherboard.

If its the free upgrade from a OEM preinstalled Windows 7 or Windows 8 license, it is NOT transferable to a new computer or motherboard.

Learn more about transferring your license:

• How to Transfer your Windows 10 License to a New Computer

If you upgraded from a retail license, you can use the product key to reactivate:

• Activate Your Windows 10 License via Microsoft Chat Support