Use Windows 7 Product Key that has ran out of licenses

[aSomeBody]

I am building a new computer (the one described below). I want to use a current Windows 7 Ultimate Product Key, however I have used it on 3 computers, and I have replaced those computers with Linux. Now I want to transfer Windows 7 to my new computer, but according to what I know from testing the product key, I can't transfer Windows 7 unless the other computers are still running windows 7 with that product key. Also, I'd prefer not to call Microsoft Customer Support if it isn't automated:sarc:, as calling Customer Support can be awful because of the music and other stuff.

Thanks in advance

 

[AddRAM]

You can only use 1 retail key on 1 computer at a time.

And yes you`ll most likely have to make a phone call, there`s no way around that.