I have tried all the reasonably possible links and methods, even
the ones recomended by those that have been successful.
Unfortunately, even their demos don't work any more.
AARGH!
It would be nice if someone from Google would monitor this thread,
and give us an answer....
When you get the "setup a new account" just enter all
your information and you will get this message:"
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Existing License Key
Our records indicate you already have a valid Google Account and have
received a Google Web APIs license key.
For your convenience, we have re-sent your license key to the email
address we have on record.
If you have further questions, please visit our Getting Help page.
<< Return to Google Web APIs Home.
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When you get signup page, enter all data and you will have your
existing key re-mailed to you.
Here is the message after re-entering your data on signup screen: