Re-download the correct version from SmartSteamEmu’s official release.
Instead of searching for a direct "Steam-api64r.dll file download," you should obtain the file through legitimate, verifiable sources. Steam-api64r.dll File Download
In this comprehensive guide, we will explore what this file is, why it goes missing, the dangers of manual downloads, and the safe, legitimate methods to fix the error permanently. verifiable sources. In this comprehensive guide
Generally, the file should be placed in the main installation folder of the game where the .exe file is located, rather than in system folders like System32 . Important Security Warning why it goes missing