Installing Firefox Browser for OpenBSD 5
The Unix Tutorial shows you Step-by-Step How to Install Mozilla Firefox+ Browser for OpenBSD 5.2/5.3/5.4/5.5/5.6 Unix Desktop.
OpenBSD is well known for its Security Features:
Security-related APIs & Warning when Unsafe string manipulation Functions
Memory Protection
Cryptography and randomization

Login into OpenBSD Shell.
How to Set the Packages Repository Mirror.
OpenBSD Find Packages RepositoryInstalling the Firefox Browser.
sudo su
If Got “User is Not in Sudoers file” then see: How to Enable sudo
pkg_add -v firefox
How Install Google Chromium Browser for OpenBSD