Missing steam_api64_o.dll error solution for Windows

Please read the instructions carefully before you download the steam_api64_o.dll.Take the proper steps to safely clean and repair windows errors.

1. Where should this file go? After you download steam_api64_o.dll on your machine, paste it in directory where it missing, and also copy it to

Windows 95, 98, ME C:\Windows\System
Windows NT, 2000 C:\WinNT\System32
Windows XP, Vista, 7, 8 C:\Windows\System32
64-bit Windows C:\Windows\System64

If you can't find windows directory try:
a. Press and hold Windows key on your keyboard, then press button R.
b. Enter the command "cmd" and press Enter
c. In a command window enter the command "set systemroot" and press Enter. It will display system directory.
2. Go to "start" ==> "run" and type "regsvr32 steam_api64_o.dll" to register the file to the system.

File Information
  • Namesteam_api64_o.dll (steam_api64_o.dl_)
  • CategoryOperating System > dll
  • Description

    Steam Client API

  • Filenamesteam_api64_o.zip
  • Filesize96.13 kB
  • Filetypezip (Mime Type: application/zip)
  • Rating 4.7 / 5 , 20 rating
  • MD5: 0b2563fc40ab460f35171123feaefceb
  • SHA1: 13d85d4883ceaa4dcad3d7720fb7f17d668c5dd0
  • SHA265: $5$rounds=5000$dlldownloadsyste$R8E8dFVIjmZ5eJPOcuosuPIE2q2JnUfMAu7oCcGZTVA

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All possible solutions

Got computer error message like:

"steam_api64_o.dll crash"
"bad image"
"error loading"
"steam_api64_o.dll was not found"
"the procedure entry point steam_api64_o.dll error"
"steam_api64_o.dll could not be located"
"Access Violation"
"Cannot register steam_api64_o.dll"

at startup or shutdown or run program?
No "missing dll" anymore - Repair dll errors - How to fix windows dll corrupt on your windows xp,vista,2000/2003,win7, win8,win10

  • Download and install steam_api64_o.dll.
  • Download and install the latest update.
  • Install windows updates automatically/regularly, allow Windows check updates in the background.
  • Reinstall the application.