Here are simple steps which you can follow to activate MS Office 2010 without a product key for free.
1. Download the Office 2010 license files library then extract it.
2. Open the Office_2010_Library folder, and move the library folder to the C drive.
3. Open cmd (run by the administrator) and paste codes.
4. Convert your Office 2010 retail license to volume one.
5. Check your PC is connected to the internet, then paste the codes in cmd.
That's All! Now your Office 2010 has been activated successfully. Check the activation status again.
For more info visit here - https://thetechwide.com/ms-office-2010-crack-download-free-product-key/