To download Oracle SQL Developer 21.4.3, you must access the official Oracle Technology Network archive. Oracle requires a free Oracle Web Account to complete the download process.
The tool requires Oracle Java 8 or 11 , with a minimum version of 1.8 update 171 (8u171).
After downloading the software, follow the installation instructions for your platform:
Improved support for JDBC drivers, ensuring better connectivity to Oracle Autonomous Database, RAC, and Exadata environments.
Because 21.4.3 is a specific past release, it resides in the Oracle Technology Network archive rather than the main download page.
Recommended for Windows users.
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