: Oracle provides MD5 and SHA1 hashes for every platform. After downloading, run a checksum on your file to ensure it matches the official values:
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. oracle sql developer download 2143 download verified