It sounds like you’re referring to a patch or update file for The Last of Us Part I on PC, specifically an archive named:
TLOU-Update-from-1.1.3.0-to-1.1.3.1.rar
Extraction: Requires software like WinRAR, 7-Zip, or NanaZip.
According to data from SteamDB, several core libraries related to FSR 3 and the game’s launcher were modified in this update to achieve better stability: ffx_backend_dx12_x64.dll ffx_frameinterpolation_x64.dll ffx_fsr3_x64.dll ffx_fsr3upscaler_x64.dll tlou-i.exe (main game executable) Installation Guide for Manual Updates TLOU-Update-from-1.1.3.0-to-1.1.3.1.rar
Use WinRAR or 7-Zip to extract TLOU-Update-from-1.1.3.0-to-1.1.3.1.rar to a temporary folder (e.g., C:\TLOU_Patch).
Following this hotfix, subsequent updates like v1.1.4.0 have introduced further advancements, including support for FSR 3.1, which offers even better upscaling quality and decoupled frame generation. It sounds like you’re referring to a patch
Copy-Paste Method: If the RAR contains only folders (like build, engine, etc.):
Following the substantial improvements introduced in the previous v1.1.3.0 patch, today’s update appears to be a targeted hotfix aimed at resolving specific lingering issues and stabilizing the experience further. Following this hotfix, subsequent updates like v1
Based on developer notes and community testing (aggregated from Steam forums and Reddit’s r/thelastofus), the update delivers the following improvements:
The specific file name "TLOU-Update-from-1.1.3.0-to-1.1.3.1.rar" is frequently found in community-driven update guides, such as those hosted on