You can purchase and download the official version safely through the Steam Store or on GOG.com .
While the full game is not free, you can still experience parts of it without spending money: LEGO Indiana Jones 2 The Adventure Continues Free
Covers all of the first four films, including The Kingdom of the Crystal Skull . 🔓 How to Access "Free" Content Legally You can purchase and download the official version
Legal demo versions are often hosted on retro gaming databases like the Macintosh Repository for older operating systems. LEGO Indiana Jones 2 The Adventure Continues Free