How to uninstall Oracle 21c from Windows – Easy steps

Follow these steps to uninstall Oracle 21c from Windows:

1. Navigate to the Oracle database file used during installation and execute the setup again.
2. The setup will recognize the presence of Oracle 21c on your machine and prompt you to uninstall it.
3. After completing the uninstallation process, verify the system’s advanced system settings. To do this, go to “My Computer,” right-click, select “Properties,” click on “Environment Variables,” and then check if any Oracle values still remain in the “Path” variable.
4. Open the registry editor and locate “HKEY_LOCAL_MACHINE” > “Software” > “Oracle.” Delete any remaining Oracle values.
5. Still in the registry editor, navigate to “HKEY_LOCAL_MACHINE” > “System” > “CurrentControlSet” > “Services,” and search for any Oracle values. If they exist, remove them.
6. Proceed to the Oracle Home – App folder and delete it.
7. Finally, browse to “C:\Program Files” and ensure that no Oracle folders remain.

By following these steps, you can successfully uninstall Oracle 21c from your Windows system.

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