does anyone know how to modify the weapon modifications whenever i try to add in weapon mods it does not unlock

does anyone know how to modify the weapon modifications whenever i try to add in weapon mods it does not unlock
does anyone have the save editor the website is being stupid because i clicked download and this is the first download all day and it says im downloading to fast...what causes that?

Guys can anyone help me? when i try and open my save it just says Invalid STFS File...

not work tihs save editor
Thank you !

Very nice indeed!
This is fantastic. Love the game even more now. Thanks for your hard work on this.

I can't find the file to load