: Do not download individual DLLs from untrusted "DLL Fixer" websites, as they often contain malware. If verification fails, try a clean reinstall of the game or the Steam Client Placing a 32-bit steam_api.dll into the folder of a 64-bit game like Scholar of the First Sin

Antivirus software (including Windows Defender) often incorrectly identifies the steam_api64.dll file in modified or pirated versions of the game as a trojan. It quarantines the file, making it "missing".

Add the entire Dark Souls 2 installation folder to your antivirus . Step 3: Run Steam as an Administrator

📍 The original 32-bit version of Dark Souls 2 uses steam_api.dll , while the 64-bit Scholar of the First Sin version uses steam_api64.dll .

If the file is missing and the verification step didn't restore it for some reason, you can try obtaining it from a trusted source. Only download DLL files from official or highly reputable sources to avoid malware. The safest method is to get it from a friend's computer that has a working copy of the same game, or from the official Steamworks SDK, which you can download through Valve. Once you have a clean copy:

Understanding why this error occurs and how to safely resolve it ensures you can return to Drangleic without risking your system's security or your Steam account status. Common Causes of the Error

: Tracking your triumphs in Drangleic.

When Dark Souls 2 tries to start, it searches for this file to confirm it can run. If the file is missing, damaged, or blocked, the executable fails. Causes of the steam_api64.dll Error in Dark Souls 2