ZIP files often contain hidden backdoors or shells.

When you extract a legitimate CronLab PTC theme, you typically find: Mobile-first designs built on Bootstrap.

Read the official CronLab documentation to understand the logic behind the "learner" files. Installation Basics (Educational Purpose)

Updating the database.php or .env file with your credentials.

💡 Always scan any downloaded zip file with an updated antivirus and check the code for eval() or base64_decode functions, which are common signs of malicious scripts. To help you get your project running safely: What specific feature are you trying to learn or customize?