Run as Administrator: Right-click on your Steam shortcut or the SOTTR.exe file (found in the game's installation folder) and select Run as administrator. shadow of the tomb raider failed to initialize steam fixed

• In Steam, go to Settings (Steam menu on Windows) → Downloads.
• Click Clear Download Cache.
• Steam will restart. Log in again and try the game.

• [ ] Is your Windows fully updated? (Specifically the Microsoft Visual C++ Redistributables)
• [ ] Do you have multiple monitors? Try unplugging the second monitor (rare, but reported to fix hooking issues).
• [ ] Is the game installed on an external USB drive? Move it to your internal C: drive.
• [ ] Are you using a pirated copy? (If so, this error is intentional DRM protection. Buy the game.)
• [ ] Did you recently change your Steam password? Log out of Steam completely and log back in.

• Start Steam as admin.
• Go to the game folder and double-click SOTTR.exe.
• If asked, log into Steam again – the game should start.

Disable DirectX 12: Some users find that the game fails to initialize with DX12 enabled. In the game's launcher preferences, uncheck DirectX 12 to force DX11 mode. The "failed to initialize Steam" or "Steam API

Example concise sequence I recommend

1. Exit game & Steam → run Steam as Administrator.
2. Verify game files.
3. Install Visual C++ redistributables and DirectX from the game’s redist folder.
4. Temporarily disable AV/firewall and test.
5. Delete Steam appcache and restart Steam.
6. Reinstall game if still failing.