Larian Studios Forums Divinity - Original Sin Divinity - Original Sin - General Collector's Edition (Larian Vault)

Regardless, if they end up destroying your Alpha/Beta key of your SEA purchase(which I seriously doubt they will) then they owe you another key because SEA was always intended to give you full access to the game once the Alpha/Beta period was over. You have bought a full version of the game when you bought SEA which is separate from your two CE keys.