diff --git a/frontends/monkey/download.c b/frontends/monkey/download.c
index 1f77439..2eef168 100644
--- a/frontends/monkey/download.c
+++ b/frontends/monkey/download.c
@@ -17,8 +17,13 @@
  */
 
 #include <stdio.h>
+#include <stdbool.h>
 #include <stdint.h>
 #include <stdlib.h>
+#include <string.h>
+#if defined(__montauk__)
+#include <montauk.h>
+#endif
 
 #include "utils/errors.h"
 #include "utils/ring.h"
@@ -36,6 +41,11 @@ struct gui_download_window {
 	struct gui_window *g;
 	download_context *dlctx;
 	uint32_t dwin_num;
+#if defined(__montauk__)
+	int file_handle;
+	unsigned long offset;
+	char path[256];
+#endif
 	char *host; /* ignore */
 };
 
@@ -51,6 +61,34 @@ gui_download_window_create(download_context *ctx,
 	ret->g = parent;
 	ret->dwin_num = dwin_ctr++;
 	ret->dlctx = ctx;
+#if defined(__montauk__)
+	ret->file_handle = -1;
+	char user[64] = {0};
+	if (_mtk_syscall2(MTK_SYS_GETUSER, (long)user, sizeof(user)) < 0 || user[0] == 0)
+		strcpy(user, "admin");
+	char directory[192];
+	snprintf(directory, sizeof(directory), "0:/users/%s/Downloads", user);
+	mtk_mkdir(directory);
+	const char *source = download_context_get_filename(ctx);
+	char filename[96];
+	if (source == NULL || source[0] == 0) source = "download.bin";
+	size_t n = 0;
+	for (; source[n] != 0 && n + 1 < sizeof(filename); n++) {
+		unsigned char c = (unsigned char)source[n];
+		filename[n] = (c < 32 || c == '/' || c == '\\' || c == ':') ? '_' : (char)c;
+	}
+	filename[n] = 0;
+	snprintf(ret->path, sizeof(ret->path), "%s/%s", directory, filename);
+	ret->file_handle = mtk_create(ret->path);
+	if (ret->file_handle < 0) {
+		free(ret);
+		return NULL;
+	}
+	if (parent != NULL) {
+		snprintf(parent->status, sizeof(parent->status), "Downloading %s", filename);
+		parent->dirty = true;
+	}
+#endif
   
 	RING_INSERT(dw_ring, ret);
   
@@ -64,21 +102,47 @@ static nserror
 gui_download_window_data(struct gui_download_window *dw, 
                          const char *data, unsigned int size)
 {
+#if defined(__montauk__)
+	if (dw->file_handle < 0 || mtk_write(dw->file_handle,
+		(const uint8_t *)data, dw->offset, size) != (int)size)
+		return NSERROR_SAVE_FAILED;
+	dw->offset += size;
+	if (dw->g != NULL) {
+		snprintf(dw->g->status, sizeof(dw->g->status), "Downloading: %lu bytes", dw->offset);
+		dw->g->dirty = true;
+	}
+	return NSERROR_OK;
+#else
 	moutf(MOUT_DOWNLOAD, "DATA DWIN %u SIZE %u DATA %s",
 		dw->dwin_num, size, data);
 	return NSERROR_OK;
+#endif
 }
 
 static void
 gui_download_window_error(struct gui_download_window *dw,
                           const char *error_msg)
 {
+#if defined(__montauk__)
+	if (dw->file_handle >= 0) { mtk_close(dw->file_handle); dw->file_handle = -1; }
+	if (dw->g != NULL) {
+		snprintf(dw->g->status, sizeof(dw->g->status), "Download failed: %s", error_msg);
+		dw->g->dirty = true;
+	}
+#endif
 	moutf(MOUT_DOWNLOAD, "ERROR DWIN %u ERROR %s", dw->dwin_num, error_msg);
 }
 
 static void
 gui_download_window_done(struct gui_download_window *dw)
 {
+#if defined(__montauk__)
+	if (dw->file_handle >= 0) { mtk_close(dw->file_handle); dw->file_handle = -1; }
+	if (dw->g != NULL) {
+		snprintf(dw->g->status, sizeof(dw->g->status), "Saved %s", dw->path);
+		dw->g->dirty = true;
+	}
+#endif
 	moutf(MOUT_DOWNLOAD, "DONE DWIN %u", dw->dwin_num);
 	RING_REMOVE(dw_ring, dw);
 	download_context_destroy(dw->dlctx);