Oracle 12c Database – How to install Oracle 12c Database in Windows 7

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This video is a step-by-step guide for installing Oracle 12c Database in a Windows 7 desktop.

Oracle Database 12c software can be downloaded from Oracle’s website.


  1. i am getting an error during installation of 12c
    error is
    Cause – The plug-in failed in its perform method Action – Refer to the logs or contact Oracle Support Services. Log File Location
    C:Program FilesOracleInventorylogsinstallActions2017-09-15_04-40-17PM.log
    please help me

  2. Hi Sir,
    I foolowed the steps wat u said in this video and yes it was quite good and i installed the oracle but, when i paste the url in the browser it is showing that:-
    This site can’t be reached

    localhost refused to connect.
    Checking the connection
    Checking the proxy and the firewall

    Plz help me how can i access oracle…

  3. hi, sir. i had a problem on step 1 of configure security updates. It keep popping out error and said i can't verify the installation validations. Failed to access temporary location.

  4. Hi Sam,

    Your video was really clear.I am trying to install 12c on my windows10 machine.Previously I had 11g, I uninstalled it and instaling 12c but when doing so i see my progress bar at step 8 is stuck at 88% showing starting 'oracle Database configuration Assistant'.Its been almost an hour it doesnot proceed further.Any help on this would be really grateful for me.Thanks a lot in advance

  5. I want to share something. I used the same password as yours while i was installing oracle 12c guided by your video. Now after a year i forgot what was my password. I just got that watching your video again. This was amazing ..

  6. I'm getting an error message I can't figure out on the Oracle 12c client installer.
    I have 11g client installed on my machine. I took the following steps:
    Downloaded the 12g client for x64 from Oracle's web site.
    Extracted the zip file.
    Right-clicked on "Setup.exe" and selected "Run as Administrator."
    Passed the OUI monitor check and it prepped the install from a temp directory.
    Installer opens
    I select a custom installation type (I'm really only looking for the managed DLLs) and click next.
    I skip software updates and click Next.
    I see the following error message: "[INS-30131] Initial setup required for the execution of installer validations failed." Cause: "Failed to access the temporary location".
    Please help  me out

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