Unzip the downloaded file to a designated folder, ensuring you "Use folder names".
Oracle’s main page shows the latest version. To find 21.4.3: oracle sql developer download 2143 download verified
On first run, it will ask for the path to a JDK 11+ installation. Unzip the downloaded file to a designated folder,
Oracle SQL Developer version 21.4.3 is a specific maintenance release from March 2022 that remains widely utilized due to its stability and security fixes. For users needing a verified download, it is officially hosted on the Oracle SQL Developer 21.4.3 Downloads page . Why Version 21.4.3? oracle sql developer download 2143 download verified
https://www.oracle.com/tools/downloads/oracle-sql-developer-software-downloads.html