Spitfire Mk.IXc MJ986, coded KH-J of No. 403 "Wolf" Squadron, March, 1944. Flown by Norm Chevers of Niagara Falls, Ontario.
Unzip the file and place into your \DCS World\CoreMods\WWII Units\SpitfireLFMkIX\Liveries\SpitfireLFMkIX folder. Choose Canada or UK as your country to use this skin.