"we are unable to connect to EA servers to activate Battlefield 4 on this computer using your account. Please try again later.

For this you will need to contact Origin/EA support they will gladly help you whit this problem  https://help.ea.com/en/origin go here press contact as give information press I still need help at the bottom of the page and then press start live chat and you will get a live chat whit an EA agent that will be glad to help you 

if this helps pleas give XP to my account thanks

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