Last install and updated version of the asterisk and free PBX

Asterisk Asterisk Distributions
1

Hello I want to ask some ladies can provide a tutorial, a link or a presentation how can I install the last updated version of the asterisk and free PBX

OS Ubuntu 18.04

2

https://wiki.freepbx.org/display/FOP/Installing+FreePBX+14+on+Ubuntu+18.04