When the window originally appeared to insert an upgrade code I never had, above this window was a small message from EA saying, if you dont have a code, why not try our 14 day trial using the following code:
Started with "FREE" then the numbers. Can't contact over phone from where I am shuts at 9pm, almost half past midnight now. Contacted via. email almost 12 hours ago and no reply yet

Takes up to 24