Netgate has recently moved toward a registration-based download model for the Community Edition (CE): Download pfSense Community Edition

Released in early 2021, pfSense 2.5.1 was a significant milestone in the firewall's history. It was the first major release to drop support for 32-bit (i386) architecture on the NanoBSD platform and introduced substantial backend changes.

The only recommended source to avoid tampered or malicious images is the :

Always verify the integrity of the downloaded ISO file using the provided SHA256 checksum to ensure its authenticity and prevent tampering during transmission.

After rebooting, the console will show you the VLAN setup and assign IP addresses.