You're referring to the PC patch for the game "I Am Alive"!
French modders also added a bonus : re-enabled the original E3 2010 demo’s French voice lines for the opening helicopter crash, which were cut from the final game. I am alive pc patch fr
The original PC port is notorious for performance issues. Even with a language patch, these "solid" fixes are recommended for a smooth experience: You're referring to the PC patch for the game "I Am Alive"
One of the most critical "patches" for the PC version isn't for language, but for a game-breaking stuttering bug. : Fixes a bug where the game freezes every few seconds. Installation : Download dinput8.dll (available via the I Am Alive PCGamingWiki ) and place it in the game's src\SYSTEM Manual French Language Force Even with a language patch, these "solid" fixes
If you're still experiencing lag despite the latest patches, the community recommends these steps: Update Everything