Install & Set up guide

Supported dump formats

FEFW Recomp contains zero Nintendo code or assets. Before launching setup, prepare your own legally dumped, decrypted copy of Fire Emblem: Fortune's Weave (Title ID 04007EF01F8AE000) at update 131072 (main module build ID DB93B0125F485060) in one of these three layouts:

• Merged folder: a directory containing exefs\ and romfs\ with update 131072 already merged.
• Split base + update folder: a dump directory with base\ and updates\131072\.
• .nup package: a single .nup archive (if it includes DLC add-ons, the launcher unpacks them automatically).

Windows 10/11 setup steps

1. Download fefw-recomp-0.1.7-win64.zip (164.2 MB) from Download & SHA-256 and extract it to its own writable folder (such as C:\Games\fefw-recomp).
2. Run fefw-launcher.exe.
3. On the Setup tab, choose your dump folder or .nup file and press Set up.
4. The launcher verifies your game files, detects whether your CPU supports FMA3 (compiling the fast Haswell/Ryzen target or the compatible Sandy/Ivy Bridge target), builds fefw.exe using bundled Zig and Python, and translates the shaders. You can click Pause at any point and resume later; in v0.1.7, if a shader worker crashes, Set up automatically retries or skips that shader and continues (#46).
5. Press Play. Your save data is stored inside the save\ folder right next to fefw-launcher.exe.

NVIDIA DLSS & AMD FSR 3

Because proprietary NVIDIA and AMD redistributables cannot be shipped inside a GPL-3.0 archive, optional hardware upscalers are enabled by dropping their signed DLLs next to fefw-launcher.exe:

• NVIDIA DLSS (RTX GPUs): download the release archive (not development) of NVIDIA Streamline SDK v2.x (bin/x64) and copy these four files into upscalers\streamline next to the launcher:

  sl.interposer.dll   sl.common.dll   sl.dlss.dll   nvngx_dlss.dll

  For DLSS Frame Generation (RTX 40 series or newer with Windows Hardware-Accelerated GPU Scheduling enabled), add five more files from the same folder: sl.dlss_g.dll, sl.reflex.dll, sl.pcl.dll, nvngx_dlssg.dll, and NvLowLatencyVk.dll.
• AMD FSR 3 (any GPU vendor): download AMD’s signed binaries from FidelityFX SDK and place them in upscalers\fsr next to the launcher:

  amd_fidelityfx_upscaler_vk.dll   amd_fidelityfx_loader_vk.dll   # Kits/FidelityFX/signedbin (tag v2.4.0)
  amd_fidelityfx_vk.dll                                            # PrebuiltSignedDLL (tag v1.1.4, frame generation)

  Select AMD FSR 3 upscaling and/or AMD FSR 3 frame generation under Settings > Frame rate (works best on a 120 Hz+ monitor with VSync off). Press F1 > Graphics > Live render state in-game to confirm the active upscaler and frame generator.

Installing DLC & RomFS mods

• DLC add-ons: place each dumped add-on inside dlc\<title id>\romfs inside your dump directory (next to exefs\ and romfs\, or next to base\ and updates\). The Play page lists all detected DLC.
• RomFS mods: click Play > Open mods folder and place mods in mods\<mod name>\romfs\... (identical to the Hookshot / emulator RomFS layout). When two mods touch the same file, the folder name that sorts last wins (use 01-..., 02-...); prefix a folder with - or _ to disable it. Note that exefs code patches (.ips / .pchtxt) do not apply because the binary is compiled ahead of time (#121).