Right-click on ( .part01.rar ) and select "Extract Here" using a tool like WinRAR or 7-Zip.
For the most up-to-date troubleshooting and to ensure you have the correct files, visit the official FitGirl Repacks site or consult the community on the FitGirl Repack Reddit .
: Ensure you have downloaded every single part. If .part15.rar is the last part, verify that parts 1–14 are in the same directory.
: For some Atomic Heart builds, you may need to press "1" in a command prompt window after installation to apply system changes, then reboot and press F7 in the loading menu to disable Driver Signature Enforcement (DSE) before playing. Common Fixes & Optimization
Before running the setup, look for a file named Verify BIN files before installation.bat in the extracted folder. Run it to ensure your download isn't corrupted. Locate and run setup.exe .
: If VSync is forced on, navigate to %LOCALAPPDATA%\AtomicHeart\Saved\Config\WindowsNoEditor , open GameUserSettings.ini , and change bUseVSync from true to false .
: You can manually update the DLSS files by replacing the DLLs in your game folder under Engine\Plugins\Runtime\Nvidia\DLSS\Binaries\ThirdParty\Win64 .