[kapteeni]

I havn'e been here for longer time and I don't know exactly what is HSFX or UP

How many maps canon made ? How I must called folder where I'm putting files of Biscay map ?

They are premade collections of mods. By far the easiest way to jump into mods.
Just read the instructions and download 1 or both. as you know, you can have several versions of IL2:
viewforum.php?f=106
kap