@Failcor
In Origin > menu top left > Origin > Redeem Product Code.
I don't know if this will work with "C&C First Decade" so if it don't works you should contact EA directly. If you are not from the US change the country in the top right corner.
If you have trouble with the contact attempt look at this guide.
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This is a players helping players forum, I don't work for EA.
Dies ist ein Spieler helfen Spielern Forum, ich arbeite nicht für EA.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Death closes all: but something ere the end, Some work of noble note, may yet be done, Not unbecoming men that strove with Gods.
Ulysses - Alfred, Lord Tennyson
