[KEY FIX TUTORIAL]
After purchasing the game , copy the game key. there is an option in steam '' CD key '' under the '' go to store page '' option.
Now log in to your origin account , if you dont have , then open an account. ( i think most people should have origin , its famous as its like steam )
Now in origin click '' Redeem the key '' option , input the key and this game will be bined to your origin account.
Now start the game on steam, in EA login screen login with your origin ID, if it doesnt work then open an account in EA website ( thats very easy )
Then login again through steam and EA will not ask for any key as you activated it in origin.

[KEY FIX TUTORIAL] After purchasing the game , copy the game key. there is an option in steam '' CD key '' under the '' go to store page '' option. Now log in to your origin account , if you dont have , then open an account. ( i think most people should have origin , its famous as its like steam ) Now in origin click '' Redeem the key '' option , input the key and this game will be bined to your origin account. Now start the game on steam, in EA login screen login with your origin ID, if it doesnt work then open an account in EA website ( thats very easy ) Then login again through steam and EA will not ask for any key as you activated it in origin.