Oracle SQL Developer version 21.4.3 is a legacy release, as it has been superseded by much newer versions like 24.3.1 (released December 2024). While it remains a stable and free tool for managing Oracle Databases, most users should download the latest version to ensure compatibility with newer Java runtimes and security patches. Key Takeaways
Unzip the File: Extract the contents into a new, empty folder (e.g., C:\sqldeveloper). download sql developer 21.4.3
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Pro tip: Choose the -no-jre version only if you are certain your JDK 11 is correctly configured. Oracle SQL Developer version 21
: On the first run, if the tool cannot find a local JDK, it will prompt for a path. Point it to the top-level folder of your JDK (e.g., C:\Program Files\Java\jdk1.8.0_181 ), not the Further Exploration Read the detailed Oracle SQL Developer 21.4.3 Release Notes for a full list of fixed bugs. Explore "Everything's been updated" by Jeff Smith Windows : Unzip the downloaded file and run
sqldeveloper.exe file..dmg file and follow the installation instructions..tar.gz file and run the sqldeveloper.sh file.