diff --git a/samples/webview/cef_process_helper.cpp b/samples/webview/cef_process_helper.cpp
index f30255f98b..221c5afa9e 100644
--- a/samples/webview/cef_process_helper.cpp
+++ b/samples/webview/cef_process_helper.cpp
@@ -1,19 +1,51 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        samples/webview_chromium/mac/process_helper_mac.cpp
-// Purpose:     webview_chromium launch helper
+// Name:        samples/webview/cef_process_helper.cpp
+// Purpose:     Simplest possible CEF helper.
 // Author:      Haojian Wu <hokein.wu@gmail.com>
 // Created:     2014-06-22
-// Copyright:   (c) 2014 - 2015 wxWidgets development team
+// Copyright:   (c) 2014 - 2023 wxWidgets development team
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+// This application doesn't use wxWidgets at all but does require CEF and its
+// wrapper DLL.
+//
+// To build it using MSVC under MSW use
+//
+//      > cl /Fewebview_cef_helper /MD /DNDEBUG /EHsc /I../../3rdparty/cef cef_process_helper.cpp ../../3rdparty/cef/Release/libcef.lib ../../3rdparty/cef/Release/libcef_dll_wrapper.lib
+//
+// in release mode and
+//
+//      > cl /Fewebview_cef_helper /MDd /D_DEBUG /EHsc /I../../3rdparty/cef cef_process_helper.cpp ../../3rdparty/cef/Debug/libcef.lib ../../3rdparty/cef/Debug/libcef_dll_wrapper.lib
+//
+// in debug.
+//
+// Under Unix use
+//
+//      $ c++ -o webview_cef_helper -I../../3rdparty/cef cef_process_helper.cpp -L../../3rdparty/cef/Release -lcef -L../../3rdparty/cef/libcef_dll_wrapper -lcef_dll_wrapper
+//
+// and under macOS see the commands executed by the sample makefile.
+
 #include "include/cef_app.h"
-#include "include/cef_version.h"
 
-// Process entry point.
-int main(int argc, char* argv[]) {
-  CefMainArgs main_args(argc, argv);
+// Define simplest possible process entry point just forwarding to CEF.
+#if defined(_WIN32)
 
-  // Execute the secondary process.
-  return CefExecuteProcess(main_args, nullptr, nullptr);
+extern "C" int WINAPI
+WinMain(HINSTANCE hInstance, HINSTANCE, char*, int)
+{
+    CefMainArgs cefArgs(hInstance);
+
+    return CefExecuteProcess(cefArgs, nullptr, nullptr);
 }
+
+#else // !Windows
+
+int main(int argc, char* argv[])
+{
+    CefMainArgs cefArgs(argc, argv);
+
+    return CefExecuteProcess(cefArgs, nullptr, nullptr);
+}
+
+#endif // Windows/!Windows