diff --git a/docs/quickstart.mdx b/docs/quickstart.mdx
index 5db09ae4..1ab3c6e7 100644
--- a/docs/quickstart.mdx
+++ b/docs/quickstart.mdx
@@ -39,11 +39,6 @@ and change the minimum deployment target to 13.0:
 
 </Accordion>
 
-<Accordion title="Click to open Windows instructions">
-See the [/windows](/windows) page for steps needed to build on Windows.
-</Accordion>
-
-
 2. Add a folder containing your assets (glTF model + skybox ktx) to your `pubspec.yaml` asset list
 
 ```yaml
diff --git a/docs/windows.mdx b/docs/windows.mdx
index 4e00cbd9..e53944e7 100644
--- a/docs/windows.mdx
+++ b/docs/windows.mdx
@@ -1,17 +1,6 @@
 ## Windows
 
-## CMakeLists
-
-You will need to disable the `/WX` compiler flag.
-
-In your project, open the `windows/CMakeList.txt` file and find the following line:
-
-`target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")`
-
-Delete the `/WX`:
-
-`target_compile_options(${TARGET} PRIVATE /W4 /wd"4100")`
-
+If you're not a Thermion developer, you can ignore this.
 
 ## ANGLE build (not currently working)
 To support embedding GPU textures in Flutter (rather than copying to a CPU pixel buffer on every frame), we need to build a slightly customized version of Filament that uses GLES on Windows (rather than the default, which uses OpenGL).
diff --git a/thermion_flutter/thermion_flutter/windows/backing_window.cpp b/thermion_flutter/thermion_flutter/windows/backing_window.cpp
index 8c3dee50..bc08944b 100644
--- a/thermion_flutter/thermion_flutter/windows/backing_window.cpp
+++ b/thermion_flutter/thermion_flutter/windows/backing_window.cpp
@@ -326,7 +326,7 @@ BackingWindow::BackingWindow(flutter::PluginRegistrarWindows *pluginRegistrar,
   ::SetWindowLong(_windowHandle, GWL_STYLE, style);
   
   ::SetWindowLongPtr(_windowHandle, GWLP_USERDATA,
-                     reinterpret_cast<LONG>(_flutterRootWindow));
+                     reinterpret_cast<LONG_PTR>(_flutterRootWindow));
 
   RECT flutterViewRect;
   ::GetWindowRect(_flutterViewWindow, &flutterViewRect);
diff --git a/thermion_flutter/thermion_flutter/windows/thermion_flutter_plugin.cpp b/thermion_flutter/thermion_flutter/windows/thermion_flutter_plugin.cpp
index 251b9836..1f6e5cbd 100644
--- a/thermion_flutter/thermion_flutter/windows/thermion_flutter_plugin.cpp
+++ b/thermion_flutter/thermion_flutter/windows/thermion_flutter_plugin.cpp
@@ -81,11 +81,13 @@ ResourceBuffer ThermionFlutterPlugin::loadResource(const char *name) {
       name_str = name_str.substr(8);
     }
 
+    int size_needed = MultiByteToWideChar(CP_UTF8, 0, name_str.c_str(), -1, nullptr, 0);
+    std::wstring assetPath(size_needed, 0);
+    MultiByteToWideChar(CP_UTF8, 0, name_str.c_str(), -1, &assetPath[0], size_needed);
+
     TCHAR pBuf[512];
     size_t len = sizeof(pBuf);
-    int bytes = GetModuleFileName(NULL, pBuf, static_cast<DWORD>(len));
-    std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
-    std::wstring assetPath = converter.from_bytes(name_str.c_str());
+    GetModuleFileName(NULL, pBuf, static_cast<DWORD>(len));
 
     std::wstring exePathBuf(pBuf);
     std::filesystem::path exePath(exePathBuf);
@@ -108,8 +110,8 @@ ResourceBuffer ThermionFlutterPlugin::loadResource(const char *name) {
   is.seekg(0, std::ios::beg);
   is.read(buffer, length);
   is.close();
-  auto id = _resources.size();
-  auto rb = ResourceBuffer(buffer, length, id);
+  int32_t id = static_cast<int32_t>(_resources.size());
+  auto rb = ResourceBuffer(buffer, static_cast<int32_t>(length), id);
   _resources.emplace(id, rb);
 
   std::wcout << "Loaded resource of length " << length << " from path "
diff --git a/thermion_flutter/thermion_flutter/windows/thermion_flutter_plugin.h b/thermion_flutter/thermion_flutter/windows/thermion_flutter_plugin.h
index 74bf9839..4cb0a645 100644
--- a/thermion_flutter/thermion_flutter/windows/thermion_flutter_plugin.h
+++ b/thermion_flutter/thermion_flutter/windows/thermion_flutter_plugin.h
@@ -45,7 +45,7 @@ public:
   flutter::PluginRegistrarWindows *_pluginRegistrar;
   flutter::TextureRegistrar *_textureRegistrar;
   std::unique_ptr<flutter::MethodChannel<flutter::EncodableValue>> _channel;
-  std::map<uint32_t, ResourceBuffer> _resources;
+  std::map<int32_t, ResourceBuffer> _resources;
  
   void CreateTexture(
       const flutter::MethodCall<flutter::EncodableValue> &methodCall,