Fictional Su-27 "EC 1/7 Provence" - ARMEE DE L'AIR (French Air Force) skin featuring 2 units #127 and #227 of the Su-27 aircraft in grey camo (FS 36320) paint scheme.
1) Extract the archive in ..\DCS World\Bazar\Liveries\su-27\
2) In order to use this skin and fly the Su-27 for FRANCE, it is *NECESSARY* to modify the "db_countries.lua" file in \DCS World\Scripts\Database\ by adding under "--FRANCE" this line:
"cnt_unit( units.Planes.Plane, "Su-27");"
(Please refer to the instructions as shown on the screenshot inside the .rar archive.)