diff --git a/README.md b/README.md
index c07a88a..096ef5f 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,37 @@
-# unreal_engine_bug_flake
+# UEFN Reproduce Env
 
 Project used to declare wine configuration to help developer to find the problem
 
-bugs.winehq.org/show_bug.cgi?id=56654
-
 Usefull links
-  - https://github.com/fufexan/nix-gaming/blob/master/pkgs/star-citizen/default.nix
\ No newline at end of file
+  - https://bugs.winehq.org/show_bug.cgi?id=56654
+  - https://github.com/fufexan/nix-gaming/blob/master/pkgs/star-citizen/default.nix
+
+**Requirements:** Nix installed see https://nixos.org/download/
+> Otherwise, you can see flake.nix file to known how configure you're env.
+>
+> All needed configuration is fully declarated in the flake.nix file.
+
+**Step to reproduce:**
+
+1. Enter in shell
+
+```bash
+nix develop --extra-experimental-features "nix-command flakes"
+```
+
+Can be longer because it install required wine version and dependencies at first.
+And then, it download Epic Games Official Launcher, configure Wineprefix with required dependencices and Run Official Launcher.
+
+2. Run Epic Games Launcher and Install Unreal Engine for Fornite
+
+```bash
+run
+```
+
+It run Epic Games Launcher Executable with current prefix.
+
+> Note: You can stop wineserver directly with `stop`
+>
+> And clean wineprefix with `clean`
+
+3. Run Unreal Engine for Fornite
\ No newline at end of file
diff --git a/flake.nix b/flake.nix
index a1dc0f2..6ed2b5f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,7 +22,15 @@
         };
 
         # concat winetricks args
-        winetricksArgs = concatStringsSep " " [ "corefonts" ];
+        winetricksPackages = [ "corefonts" ];
+        winetricksArgs =
+          if (builtins.length winetricksPackages) > 0
+          then concatStringsSep " " winetricksPackages
+          else "-V";
+
+        # concat dll overrides
+        wineDllOverrides = ["winemenubuilder.exe=d"];
+        wineDllOverridesEnv = pkgs.lib.strings.concatStringsSep "," wineDllOverrides;
 
         install_script = writeShellScriptBin "install" ''
           echo "Installing Dependencies"
@@ -31,35 +39,46 @@
           echo "Dependencies Installed"
 
           echo "Installing Epic Games Launcher"
-          wine64 ${epic_games_launcher} /S
+          $WINE ${epic_games_launcher} /q
           wineserver -k
           echo "Epic Games Launcher Installed"
         '';
 
+        stop_script = writeShellScriptBin "stop" ''
+          wineserver -k
+        '';
+
         clean_script = writeShellScriptBin "clean" ''
+          wineserver -k
           rm -rf $WINEPREFIX
         '';
 
         run_script = writeShellScriptBin "run" ''
-
+          $WINE "$WINEPREFIX/drive_c/Program Files (x86)/Epic Games/Launcher/Portal/Binaries/Win32/EpicGamesLauncher.exe"
         '';
       in
       {
         devShells = {
           default = pkgs.mkShell {
             packages = with pkgs; [
-              wine64Packages.unstableFull
+              # Wine packages
+              wineWow64Packages.unstableFull
               winetricks
+
+              # Custom scripts
               install_script
               run_script
+              stop_script
               clean_script
             ];
 
             shellHook = ''
               export WINETRICKS_LATEST_VERSION_CHECK=disabled
               export WINEPREFIX=$(pwd)/wine_prefix
+              export WINE=wine
               export WINEARCH="win64"
               export WINEDEBUG=-all
+              export WINEDLLOVERRIDES="${wineDllOverridesEnv}"
 
               if [ ! -d "$WINEPREFIX" ]; then
                 install