Install instructions:

Single Player:
Using OpenIV
-Copy bforte folder in mods\update\x64\dlcpacks
-Add: dlcpacks:\bforte\ to the file dlclist.xml in mods\update\update.rpf\common\data
-Spawn name: bforte

Fivem:

Copy folder bforte inside 'fivem' to your server resources folder, add 'start bforte' to your server.cfg
spaw name: bforte 