If you want to install Oracle SQL Developer on your Windows computer for free, check if you meet the requirements and then go through the instructions mentioned here.

Oracle has once again extended support for its version 19c databases. There is now a total of five years of additional support.

In a communication released last month, Oracle said it would be pushing back the support cutoff for 19c to December 31, 2029, for Premier Support and December 31, 2032, with Extended Support.