Well I've been playing BF3 on xbox since the time I started bf3 and I was planning on starting it on PC SOON. Possibly in a month or 2. I was wondering if I'd have to restart my profile or would I be able to link my current xbox online profile to the pc version?
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I did the same thing, xbox from beta till a few months ago when i bought a PC.
You won't be able to port over, and you'll have to buy a PC copy of the game to create a PC BF3 character, which will be a untouched virgin of course.
Hope this helps!