diff --git a/gtk/deprecated/gtkshow.c b/gtk/deprecated/gtkshow.c
index 6a160c7ee3..cfed84ced4 100644
--- a/gtk/deprecated/gtkshow.c
+++ b/gtk/deprecated/gtkshow.c
@@ -27,8 +27,13 @@
 #include "gtkalertdialog.h"
 #include <glib/gi18n-lib.h>
 
+#ifdef G_OS_WIN32
+#include "gtkshowwin32.h"
+#endif
+
 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
 
+#ifndef G_OS_WIN32
 typedef struct {
   GtkWindow *parent;
   char *handle;
@@ -86,6 +91,24 @@ window_handle_exported (GtkWindow  *window,
                                            data);
 }
 
+#else /* G_OS_WIN32 */
+static void
+show_win32_done (GObject      *source,
+                 GAsyncResult *result,
+                 gpointer      user_data)
+{
+  GTask *task = user_data;
+  GError *error = NULL;
+
+  if (gtk_show_uri_win32_finish (GTK_WINDOW (source), result, &error))
+    g_task_return_boolean (task, TRUE);
+  else
+     g_task_return_error (task, error);
+
+  g_object_unref (task);
+}
+#endif
+
 /**
  * gtk_show_uri_full:
  * @parent: (nullable): parent window
@@ -114,6 +137,7 @@ gtk_show_uri_full (GtkWindow           *parent,
                    GAsyncReadyCallback  callback,
                    gpointer             user_data)
 {
+#ifndef G_OS_WIN32
   GtkShowUriData *data;
   GdkAppLaunchContext *context;
   GdkDisplay *display;
@@ -138,6 +162,17 @@ gtk_show_uri_full (GtkWindow           *parent,
 
   if (!parent || !gtk_window_export_handle (parent, window_handle_exported, data))
     window_handle_exported (parent, NULL, data);
+
+#else /* G_OS_WIN32 */
+  GTask *task;
+
+  g_return_if_fail (parent == NULL || GTK_IS_WINDOW (parent));
+  g_return_if_fail (uri != NULL);
+
+  task = g_task_new (parent, cancellable, callback, user_data);
+  g_task_set_source_tag (task, gtk_show_uri_full);
+  gtk_show_uri_win32 (parent, uri, FALSE, cancellable, show_win32_done, task);
+#endif
 }
 
 /**
diff --git a/gtk/gtkfilelauncher.c b/gtk/gtkfilelauncher.c
index 955eadf054..a36fff9d2a 100644
--- a/gtk/gtkfilelauncher.c
+++ b/gtk/gtkfilelauncher.c
@@ -26,6 +26,10 @@
 #include "deprecated/gtkshow.h"
 #include <glib/gi18n-lib.h>
 
+#ifdef G_OS_WIN32
+#include "gtkshowwin32.h"
+#endif
+
 /**
  * GtkFileLauncher:
  *
@@ -432,7 +436,11 @@ show_uri_done (GObject      *source,
   GTask *task = G_TASK (data);
   GError *error = NULL;
 
+#ifndef G_OS_WIN32
   if (!gtk_show_uri_full_finish (parent, result, &error))
+#else
+  if (!gtk_show_uri_win32_finish (parent, result, &error))
+#endif
     {
       if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         g_task_return_new_error (task, GTK_DIALOG_ERROR, GTK_DIALOG_ERROR_CANCELLED, "Cancelled by user");
@@ -503,7 +511,6 @@ gtk_file_launcher_launch (GtkFileLauncher     *self,
       gtk_openuri_portal_open_async (self->file, FALSE, flags, parent, cancellable, open_done, task);
     }
   else
-#endif
     {
       char *uri = g_file_get_uri (self->file);
 
@@ -513,6 +520,11 @@ G_GNUC_END_IGNORE_DEPRECATIONS
 
       g_free (uri);
     }
+#else /* G_OS_WIN32 */
+  char *path = g_file_get_path (self->file);
+  gtk_show_uri_win32 (parent, path, self->always_ask, cancellable, show_uri_done, task);
+  g_free (path);
+#endif
 }
 
 /**