You may find that the single-player campaign works, but multiplayer (the heart of Battlefield 3) is usually disabled or broken in these versions.

It is 2011. High-speed fiber is a dream for many. You are a teenager in a region where a 35GB download (the actual size of Battlefield 3 ) would take weeks and cost a month’s wages in data overages. Your PC is a "Frankenstein" build of hand-me-down parts, but you crave the lens flares and crumbling skyscrapers of the Frostbite engine. The Inciting Incident: The Search

Trusted repackers include:

For those interested in playing Battlefield 3: