osFaq – Download page
The current version is v1.4.0 ST (2018-04-02)
The install instructions are built into the installer. It will guide you through the integration steps.
A manual guide is available here.
NOTE: The osFAQ v1.4.0-ST installer can also upgrade any previous version of osFAQ and you wont loose any settings or data (same as with all previous releases).
All osFaq downloads: https://sourceforge.net/projects/osfaq (including historical versions).