Black Ops 3 has received a 500mb patch on the PC to fix bugs and performance related issues.
BlackOps3 PC Patch is live on Steam now! It includes bug fixes and performance improvements.
— pcdev (@pcdev) November 14, 2015
Source: reddit
Black Ops 3 Patch for PC is Now LIVE – 14th November | DestroyRepeat
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Black Ops 3 Patch for PC is Now LIVE – 14th November
