: Includes the required Java Development Kit (JDK 8 or 11 depending on the specific archive). Windows (no JDK) : Requires you to have a compatible JDK already installed.
Before downloading, ensure your system meets these minimum specifications: How to install SQL Developer 21.4 on Windows 10/11
The embedded Data Modeler received enhancements for importing and exporting complex data models. download sql developer 21.4.3
Fix: Increase the allocated heap memory. In the same sqldeveloper.conf file, adjust the parameters to give the JVM more running room: AddVMOption -Xms512M AddVMOption -Xmx2048M
Oracle SQL Developer is provided for free as a zip archive from the Oracle Technology Network Platform Availability : Includes the required Java Development Kit (JDK
Once authenticated, your browser will automatically begin downloading the ZIP or RPM archive file. Installation Instructions
Windows 10/11, macOS (Big Sur or newer), or modern Linux distributions (RHEL/Ubuntu). Fix: Increase the allocated heap memory
: Double-click sqldeveloper.exe (Windows) or run sqldeveloper.sh (Linux/Mac) to start the application. Key Requirements & Fixes in 21.4.3 Oracle SQL Developer Downloads 21.4.3
: You are working on an older machine that only supports Java 8/11.