: Right-click on your Steam shortcut or the SOTTR.exe file (found in the game's installation folder) and select Run as administrator .

Facing the " Shadow of the Tomb Raider failed to initialize Steam" error can be frustrating, especially when you're ready to dive into Lara Croft's final chapter. This error typically occurs when the game cannot communicate properly with the Steam API, often due to permission issues, corrupted files, or outdated software.

Before jumping into the fixes, it helps to understand the potential culprits: