You can also find this by going to Steam > Library > drop-down menu (next to "Home") > Tools > Search for "Steamworks Common Redistributables" and install that package.
: Check your Steamworks configuration. Make sure that your game's Steamworks settings are correctly configured, including the game's AppID, which is crucial for Steamworks to identify and manage your game.
Better practice: Use SteamAPI_RestartAppIfNecessary(appId) before SteamAPI_Init() .