Activation

Install Origin, login with the credentials you used when you first installed Mass Effect 3 and install it from the my games list in Origin via download or use the method mentioned in the sticky to install it from disc.

You mean I have to reinstall origin again? Thanks for quick reply.

Yes, first install Origin from origin.com and then login with the credentials you used when you first installed ME3 on your old PC. The ME3 key you used is tied to this, your Origin account.

I did what you say reinstalled origin installed the game but when I press play message comes up saying could not activate I have more games and tried to run my medal of honor warfighter and works just this game stuck for activation which is already been activated? Any more suggestions thanks in advance 

Forgot to mention that the game is on my game list and able to download just now not able to play because asking for activation this is something can't understand. Game in my game list activated and not working now ☹️

Thank you for your help. Will do that. 

Paid for Sims 3 $54.49 on April 11, 2013 at approximately 3:00 AM Central Time.  Have played the game many times since.  Tonight I get a box from Origin that I need an activation code!!!  And Origin also has no history of my download.  Isn't this a hoot!  That night and morning I ended up paying 3 times for one game.  Where is my game?  I checked my c drive and The Sims 3 is loaded.  What is the problem here with the activation code?

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@tiggerpogo wrote:

Paid for Sims 3 $54.49 on April 11, 2013 at approximately 3:00 AM Central Time.  Have played the game many times since.  Tonight I get a box from Origin that I need an activation code!!!  And Origin also has no history of my download.  Isn't this a hoot!  That night and morning I ended up paying 3 times for one game.  Where is my game?  I checked my c drive and The Sims 3 is loaded.  What is the problem here with the activation code?

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Hi tiggerpogo,

First, sorry to hear that you are having such a problem but I'm afraid that you are in the wrong forum (community.) This is Mass effect 3 not Sims 3. Sorry. 

Second, I believe that you need to go back to Origin and login with your Origin ID and PSW. That website has been revised--as of today--May 9, 2013. There is a new BETA version which you will (in all likelyhood) need to install. You can browse through the various areas to find the Forums for SIMS 3 Tech support, or at least the Origin Tech Support team and how to get their help. Good luck to you.