New answers tagged system-requirements
Since you're on a laptop, it is very possible that you are using the integrated gpu, rather than the much more powerful dedicated nvidia gpu, because your laptop is more than capable of running the game at acceptable performance. You can change it in the nvidia control panel in the "Manage 3D settings" menu like this:
You need to connect once to EA with your EA/Origin login information to activate your DLC. After that, no internet is needed. This is also required if you have the game on Steam.
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