The service contract can be renewed when it expires.
You can order the service contract directly with PL/SQL Developer. Without this contract, you will receive only patch releases of the PL/SQL Developer version you purchased.
PL SQL DEVELOPER LICENSE KEY 64 BIT
To connect to an Oracle database, the 32 bit PL/SQL Developer version requires a 32 bit Oracle Client and the 64 bit PL/SQL Developer version requires a 64 bit Oracle Client.You can download a fully functional 30-day trial version to try out PL/SQL Developer yourself. The supported Oracle Server versions are 7.x, 8.x, 8i, 9i, 10g, 11g, 12c, 18c and 19c on any platform. PL/SQL Developer will run on Windows XP, 2003, 2008, Vista, Windows 7, Windows 8 and Windows 10.This would be useful when you want to deploy using a script or command line. Just a simple one-button installation procedure and you’re ready to use it. Product Key Evaluation: 00000-00000-00000-00000-00000 Express: 11111-00000-00000-00000-00000 Developer: 22222-00000-00000-00000-00000 Once you enter these values and press Next then you can verify and see the edition in the next screen which shows License Terms. No middle-ware required other than Oracle Net.