diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 0d67fca4..5d8df3f9 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -61,6 +61,82 @@ jobs:
           rustc --version
           cargo --version
 
+      # ---- External prebuilt deps (mirror Android + iOS workflows) ----------
+      # Several plugins are path-deps in pubspec.yaml. The path directories
+      # must exist BEFORE `flutter pub get` runs against the regenerated
+      # pubspec, or pub fails with "could not find package X at <path>".
+      # We fetch the same prebuilt tarballs the other platforms use.
+
+      - name: Fetch prebuilt torch_dart
+        run: |
+          set -x -e
+          pushd scripts
+            rm -rf torch_dart torch_dart.tar.gz
+            curl -fsSL -o torch_dart.tar.gz https://github.com/MrCyjaneK/torch_dart/releases/download/v1.0.17/torch_dart-v1.0.17.tar.gz
+            mkdir torch_dart
+            tar -xzf torch_dart.tar.gz -C torch_dart
+            rm torch_dart.tar.gz
+          popd
+
+      - name: Fetch prebuilt reown_flutter
+        run: |
+          set -x -e
+          pushd scripts
+            rm -rf reown_flutter reown_flutter.tar.gz
+            curl -fsSL -o reown_flutter.tar.gz https://github.com/cake-tech/reown_flutter/releases/download/v0.0.4/reown_flutter-v0.0.4.tar.gz
+            mkdir reown_flutter
+            tar -xzf reown_flutter.tar.gz -C reown_flutter
+            rm reown_flutter.tar.gz
+          popd
+
+      - name: Clone BitBox Flutter
+        run: |
+          # Pubspec has bitbox_flutter as a path dep — the directory must
+          # exist for pub get even if BitBox Windows support isn't
+          # functional. Same approach as the iOS workflow: clone the repo
+          # at a pinned commit, don't run any Android-binding build step.
+          set -x -e
+          pushd scripts
+            if [[ ! -d bitbox_flutter ]]; then
+              git clone https://github.com/konstantinullrich/bitbox_flutter
+            fi
+            cd bitbox_flutter
+            git fetch -a
+            git reset --hard
+            git checkout 5a6e6dd388ef64003f86094af80d5453518b601d
+            git reset --hard
+          popd
+
+      # ---- Native crypto cores (monero_c prebuilt bundle) ------------------
+      # The same release-bundle.zip that Android + iOS use. Contains
+      # pre-cross-compiled native libs for many target triples. We'll need
+      # the x86_64-w64-mingw32 (Windows MinGW) or x86_64-pc-windows-msvc
+      # entries — inspection step below logs what's actually shipped.
+      - name: Fetch prebuilt monero_c bundle
+        run: |
+          set -x -e
+          ./scripts/prepare_moneroc.sh
+          MONERO_C_TAG=$(cd scripts/monero_c && git describe --tags)
+          echo "monero_c TAG: $MONERO_C_TAG"
+          mkdir -p "scripts/monero_c/release/$MONERO_C_TAG"
+          pushd "scripts/monero_c/release/$MONERO_C_TAG"
+            curl -fsSL -O https://github.com/MrCyjaneK/monero_c/releases/download/v0.18.4.6-RC1/release-bundle.zip
+            unzip -q release-bundle.zip
+            rm release-bundle.zip
+            echo "=== bundle contents (top level) ==="
+            ls
+          popd
+
+      - name: Inspect Windows targets in monero_c bundle
+        run: |
+          set -x
+          MONERO_C_TAG=$(cd scripts/monero_c && git describe --tags)
+          BUNDLE_DIR="scripts/monero_c/release/$MONERO_C_TAG"
+          echo "=== windows-ish subdirs ==="
+          find "$BUNDLE_DIR" -maxdepth 1 -type d \( -name '*mingw*' -o -name '*windows*' -o -name '*-win-*' -o -name '*-pc-windows*' \) 2>/dev/null
+          echo "=== any DLL anywhere? ==="
+          find "$BUNDLE_DIR" -name '*.dll' 2>/dev/null | head -20 || true
+
       # ---- Configure: pubspec.yaml + per-coin enablement -------------------
       # Mirror of hashwallet.bat — drives tool/configure.dart with the same
       # set of coin flags that upstream Cake's Windows build uses.