Q: How do I update SQL Developer to the latest version? A: You can check for updates within the IDE by clicking on "Help" > "Check for Updates".
Missing Oracle Instant Client. Solution: Download 64-bit Instant Client from Oracle, then in SQL Developer go to Tools → Preferences → Database → Advanced and set the OCI path.
To successfully run SQL Developer 19.2.1 on Windows, ensure your system meets these requirements: