Forza Horizon 2 reached "end of life" stats on September 30th 2018. Forza Horizon 2 and its associated DLC are no longer be available for purchase.
After September 30 2018, players who own Forza Horizon 2 will still able to download and play the game and its associated content as normal.
Unfortunately, we no longer actively support Legacy Forza titles. Limited support is still available for matchmaking and leaderboard services.