Windows Vista SP2 or Windows 7 (Windows XP is not supported).
Some sites provide a small file that then asks you to complete "surveys" or pay for a password to unlock the content, which is a common online scam. Official System Requirements call of duty black ops 2 highly compressed 280mb
Even in a compressed format, the core elements that make Black Ops II a masterpiece remain intact. Windows Vista SP2 or Windows 7 (Windows XP is not supported)