: msiexec /i plsqldev15.msi productcode="CODE" serialnumber="SERIAL" password="PASS" /qn . Version 15 Key Features

: A fully functional 30-day trial is available for download without requiring a product code or serial number upfront. Automation and Silent Installation

: Includes a preference to reduce icon sizes for better screen real estate on high-resolution displays. Where to Find Genuine Credentials

Use the “Explain Plan” button (Ctrl + E) right after writing a query. PL/SQL Developer 15 now shows a graphical plan with “Top‑Cost” highlights, making it easier to spot expensive operations.