To install using the FitGirl Repacks multi-part RAR files, you must ensure that all parts (e.g., .part01 through .part15 and any subsequent files) are present in the same folder before beginning the extraction. Pre-Installation Requirements
: If installing on Steam Deck, use Proton GE and add the setup.exe as a non-Steam game to run the installer. Atomic Heart -- fitgirl-repacks.site --.part15.rar
: 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 To install using the FitGirl Repacks multi-part RAR
: Ensure you have downloaded every single part. If .part15.rar is the last part, verify that parts 1–14 are in the same directory. Common Fixes & Optimization : Ensure you have
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 .
Select your installation directory. Avoid installing to "C:\Program Files" to prevent permission issues.
: If your system has 8GB of RAM or less, check the box to "Limit installer to 2GB of RAM usage." This prevents crashes during the intensive decompression process.