That DLC includes Arctic Strike, which was released on PC concurrently with the Season Pass offer.
Ubisoft Releases Tom Clancy's Ghost Recon: Future Soldier™ Season Pass and Arctic Strike Map Pack for PC
October 25, 2012 - Today Ubisoft announced the availability of the Tom Clancy's Ghost Recon: Future Soldier™ Season Pass* which allows access to the entire range of downloadable content for the Windows PC version of Ghost Recon: Future Soldier. This includes all-new playable maps and game modes, extra weapons for Ghosts and Bodark units, additional Uplay achievements, and more!
Starting today with the release of the Arctic Strike Map Pack on PC, Season Pass owners will automatically receive access to all new downloadable content. The Arctic Strike Map Pack extends your Ghost Recon: Future Soldier PC experience with new multiplayer maps, a new multiplayer mode, new Guerrilla mode co-op map, and six additional weapons to give you the edge over your enemies.
Order the Tom Clancy's Ghost Recon: Future Soldier™ Season Pass now and get $10 off the total price of all upcoming Ghost Recon: Future Soldier downloadable content.
*Available for PC Only. Requires Tom Clancy's Ghost Recon: Future Soldier™ base game to play.