Re: Saying I have an incompatible operating system?
-Run the game as ADMINISTRATOR.
Go to the Origin games folder (C:\Program Files (x86)\Origin Games\Battlefield 4) and find Bf4.exe. Right click it and go to PROPERTIES, then COMPATIBILITY and tick the box next to RUN THIS PROGRAM AS ADMINISTRATOR
Make sure that the box next to RUN THIS PROGRAM IN COMPATIBILITY MODE' is not ticked.
Do the same with BF4_x86.exe as well.
-Run Origin as Administrator
Go to C:\Program Files (x86)\Origin and right click on Origin.exe and go to properties. Then go to compatability tab and tick the box next to RUN AS ADMIN.
- Also in your browser's .exe ('explorer.exe' for example) right lcik it and go to Properties and 'compatibility and make sure that the box next to RUN THIS PROGRAM IN COMPATIBILITY MODE' is not ticked.