Are you trying to install this on the of the game or the Legendary Edition ?
The file most likely refers to the Liara T'Soni (Ver.2) mod for Mass Effect 2 , which was originally released around 2010. This specific modification allows players to swap Shepard's appearance with Liara T’Soni or add her as a playable squadmate outside of the "Lair of the Shadow Broker" DLC missions. Mod Overview: Liara T'Soni (Ver.2) Liara_version_2.rar
: Always create a backup of your BioGame folder and Coalesced.ini before making changes. Are you trying to install this on the
: Use a tool like WinRAR or 7-Zip to unpack the .rar archive. Liara_version_2.rar