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If the main page displays a newer version (such as version 22.x or 23.x), scroll down to the section. Locate the 21.4.3 release archive.
Oracle SQL Developer Downloads Version: 21.4.3
Double-click sqldeveloper.exe within the extracted folder. macOS: Launch SQLDeveloper from your Applications folder. Linux: Run the ./sqldeveloper.sh script from your terminal. Troubleshooting Common Errors "Java Home Not Found" Cause: The software cannot locate a valid JDK. oracle sql developer download 2143 download verified
This occurs if you downloaded the "No JDK" version and your system paths are incorrect. Ensure you point the application to a JDK directory, not a JRE (Java Runtime Environment) directory.
For Windows, it is distributed as a ZIP file that can be extracted and run immediately without administrative installation privileges. If the main page displays a newer version
Download the appropriate package for your OS (Windows, Mac, or Linux) from the official Oracle SQL Developer 21.4.3 downloads page. To ensure a verified, secure installation, compare the downloaded file's checksum (SHA1/MD5) against the values provided on the download page.
This is the largest download but offers the smoothest setup experience. Windows 64-bit (No JDK included) macOS: Launch SQLDeveloper from your Applications folder
sqldeveloper-21.4.3.x.x-x-x.windows.x64.zip
This error indicates a mismatch in database identification. Ensure you select the radio button instead of SID in your connection properties dialog box if you are connecting to a modern pluggable database (PDB) or an Oracle Cloud instance.
Download the “with JDK” version unless you already have JDK 11 configured.