If you are trying to open this file manually, you will need a utility like 7-Zip or WinRAR . To help you further, could you tell me: Did you find this in a ? Are you getting an error message related to this file?
: Unless you are looking for specific game assets or troubleshooting a corrupted installation, this file is generally meant to be handled automatically by the game's launcher. lc-00000001.7z
Are you trying to (like art or music) from it? If you are trying to open this file