Three license used up how to remove office 2010

Pedro123

Honorable
Sep 7, 2013
15
0
10,510
I currently have three licenses of microsoft word 2010 which were previously been registered however since their install 2 machines have completely failed and one is still working. I would like to reuse these license keys if possible on a new machine but every time i try on the new machine it says these keys have been used and unable to register new one. If any one could provide help on how to remove these old computers from the allowed list and allow new computers to be added then it would be appreciated. Before any one says try uninstalling physically one computer was destroyed in a fire and the other one suffered a destroyed motherboard. Any help would be appreciated with techniques on how to remove them remotely or phone numbers on who i need to call.

Again thanks for any help available.