steam_api64.dll: download the file and fix the error
steam_api64.dll is a file of the Steam gaming platform (Valve), installed with each game that uses it. Its official description: “Steam Client API”, by Valve Corporation.
If it is missing or damaged, Windows displays for example: “The program can't start because steam_api64.dll is missing from your computer.” Two methods can fix the error, below.
Method 1 · quick · about 1 minute
Download only steam_api64.dll
Ideal if only this file is reported missing: you replace a single file, without reinstalling anything.
- Version
- 04.28.51.07
- Architecture
- 64-bit (x64)
- Size
- 250.66 KB
- Publisher
- Valve Corporation
Then:
- Extract steam_api64.dll from the zip file and copy it to the folder of the program showing the error (where its
.exefile is). - Still getting the error? Also copy it to
C:\Windows\System32(64-bit Windows only), then restart.
64-bit version: it does not work with a 32-bit program. In that case, use method 2.
SHA-256: b8246e1a629b945fe526b24c3e4f002c4f6eb86aa1b5ed9744399f22a0d2ca9f ·
Check on VirusTotal
· Product: Steam Client API
Method 2 · complete · official method · 5 to 15 minutes
Verify the game files in Steam
Steam compares the installed files with the original ones and automatically replaces those that are missing or damaged, in the right version.
- In Steam: Library › right-click the game › Properties › Installed Files › Verify integrity of game files.
- If your antivirus had deleted the file, restore it from quarantine, then launch the game again.
Complete guide: steam_api.dll error
Error messages related to steam_api64.dll
- The program can't start because steam_api64.dll is missing.
- Failed to load steam_api64.dll
- Error loading steam_api64.dll. The specified module could not be found.
Why does this error occur?
- Antivirus: the file was quarantined.
- Incomplete installation or update of the game.
- Wrong version: each game needs the version of steam_api64.dll shipped with it.
Files of the same family (Steam)
Frequently asked questions
Does the file on this page work for every game?
Not always: each game is shipped with its own version of steam_api64.dll. If the error persists after copying it, verify the files in Steam (method 2).