How do I obtain DLC (Mac App Store)?

1. Double-click on the Tomb Raider Application icon while holding down the Command (⌘) key. The Tomb Raider pre-game Options window will appear.
2. Select the DLC tab.
3. Click the Buy in the Mac App Store button next to the Single Player DLC Pack.
4. Follow the on-screen instructions to complete your purchase.
5. The Single Player DLC Pack will now be enabled in your copy of Tomb Raider.