1. Install AC3
2. Make a backup of your AC3SP.exe
3. Install Benedict Arnold DLC
4. Return your backup of your AC3SP.exe in the main game folder
5. Log in with fake Ubisoft account and make sure you click "always start in offline mode" from the menu
6. Place "54" folder in "Ubisoft/Ubisoft Game Launcher/savegames/Your_Profile_ID
7. Rename the ownership file to your profile id and place it in Ubisoft/Ubisoft Game Launcher/cache/ownership (if you already have ownership file just replace it)

Unlocks:
Benedict Arnold DLC
Lost Mayans Ruins Mission
New colours for the Aquila
Upgraded Naval Convoy
Scotish Flintlock
Boarding Axe
Pirate Flintlock
Obawandiyag's War Club
Traditional Colonial Assassin Outfit
Ezio's Outfit
Captain of the Aquilla's Uniform
"Sinking a Secret" privateer contract
"Ghost War" privateer contracts

Credits:
IamAWESOME - for providing dlc saves from original game
Brucie - for decrypting dlc's and providing working emulator
JorjVirus69 - for giving the idea that the save must be decrypted 
tomsons26 - for testing and guideing 
