Java - Downgrading Java (Windows and Mac)

Customers are reporting that latest Java from Oracle does not work or has too many issues. This document will show you how to downgrade your Java from a new version to a previous version of Java.

If you don't have or think you may not have administrator access to your computer you may need to contact your local IT group for assistance with downgrading your Java.  Your local IT Professional will have older versions of Java ready to deploy either automatically or manually.

To Manually downgrade your Java version use the following steps:

Uninstalling your current version of Java
  1. Open your Windows Control Panel.  Use this link to learn how to open your Control Panel .
  2. Open Programs or Programs and Features depending on your view.
  3. Select Java from the list of installed programs.
  4. Right click on Java and select Uninstall.  Java will then automatically uninstall.
Installing older version of Java
  1. If you are installing older Java without the assistance of your local IT professional, you may want to pre-register with Oracle at:
    You will be prompted to register during the process anyway.
  2. Navigate to the Java Archives
  3. Select the Java SE 8 under Java SE heading.
  4. Find the older version of Java 8 you would like to install.
    NOTE: Make sure the heading says Java SE Runtime Environment.  There are different installations of the same Java version.

  5. You must select the radio button for Accept License Agreement or a message reminding you to do so will appear.
  6. Click the download button for the OS that you are working with:
    Mac: jre-8u###-macosx-x64.dmg
    Windows: jre-8u###-windows-i586.exe
  7. You will be prompted for an Oracle support account. 
    a. Enter your account. 
    b. Self-Register with Oracle to be able to download the software.
    c. See your local IT Professional to assist you with an account.
  8. Once you have logged into the Oracle site, you can download the file.
  9. Run the file from your downloads.
  10. Follow the instructions in he installation application.
  11. To test your installation go to and select the Do I have Java? link.
  12. Click the Verify Java Version button.  
  13. If Java is running correctly, you will receive a message of congratulations.

Keywords:java archive old version downgrade upgrade oracle runtime   Doc ID:79786
Owner:John C.Group:University of Illinois System
Created:2018-01-31 12:47 CDTUpdated:2018-02-07 15:25 CDT
Sites:University of Illinois System
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