Look at the original website, forum post, or description section.

If you purchased a printer, the manufacturer often provides a certified version of the Seagull driver on their own support page. 🛡️ Best Practices for RAR Files

Antivirus software often cannot scan the contents of a password-protected RAR file until it is extracted. Hackers use passwords to hide viruses from security filters.

Your search is most definitely focused on the maritime training app, as the other applications are not typically distributed in a password-protected RAR file.