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An Oracle Web Account is required. If you don't have one, registration is free. Installation Requirements Requirement Operating System Windows 10 or Windows 11 (64-bit) Memory Minimum 4GB RAM (8GB recommended) Disk Space ~500MB for the application Java JDK 8 or 11 (included in Windows bundles) Troubleshooting Common Issues sql developer 1921 hot download for windows
Missing JDK: If you get an error regarding java.exe , ensure you have pointed the application to a valid JDK 8 or 11 home directory. Here is the full story behind the "1921"