The standard procedure for installing games from this source generally follows these steps:

While individual downloaders are rarely sued, using peer-to-peer (P2P) torrents from Apunkagames exposes your IP address to copyright trolls. Your ISP may send you a warning or throttle your connection.

While Apunkagames might have worked for old, single-player-only games from 2010, Call of Duty: Black Ops 3 relies entirely on community features and online connectivity.