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.

Before you can use Oracle SQL Developer or MySQL Workbench, you need to connect to a database server. Both tools support various types of connections, such as JDBC, ODBC, SSH, or cloud services.

These guides describe how to install oci8, Oracle DB, install and configure Oracle SQL Developer and how to connect Oracle SQL Developer with Laravel. Implementação de um Data Warehouse On-Premises, ...

If the Oracle SQL Developer crashing on startup on your computer, you can follow the solutions mentioned in this post to resolve the issue.