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　　xp存盘目录D:\Documents and Settings\xxx\My Documents\Bioshock2\SaveGames

　　win7存盘目录在 C:\Users\Administrator\Documents\Bioshock2\SaveGames

　　需要备份 Games for Windows Live帐户：

　　系统盘\Documents and Settings\用户名\Local Settings\Application Data\Microsoft\XLive