Learn how to integrate in-app purchases (IAP) into your Unity project in this comprehensive 49-minute tutorial. Discover the process of creating and implementing IAP, from setting up the Unity IAP plugin to programming button events for successful purchases. Explore techniques for monetizing your game, including selling virtual goods, offering subscriptions, and creating "lite" versions. Master the steps to enable IAP in project settings, upload builds to the Play Store, sign applications with key-stores, and create an in-game store UI. Gain insights on deactivating ads, adding in-app currency, and implementing paid features. Follow along to build a complete IAP system, including creating store buttons, programming purchase events, and testing the functionality.