Assassin's Creed 3 Remastered Save Game Location
Windows
Assassin's Creed 3 Remastered save games can be found here:
C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\savegames\[user_id]\5183\
C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\savegames\[user_id]\5184\
Steam: C:\Users\[user_name]\Documents\Assassin’s Creed III Remaster\Saves
CODEX: C:\Users\Public\Documents\uPlay\CODEX\Saves\ Assassin’s Creed III Remastered