You may need to install steam. I get that error if I forgot to start up Steam before starting up Bannerlord. 0. TaleWorlds Forums How To Fix Unable to Initialize Steam API Error
Right-click the game that is showing the error and select . Go to the Installed Files (or Local Files ) tab. Click Verify integrity of game files . Download unable initialize steam Api rar
Wait for the process to finish; Steam will automatically detect and replace the missing file. Alternative Solutions You may need to install steam