diff --git a/Makefile.win b/Makefile.win
new file mode 100644
index 0000000..cbe70b6
--- /dev/null
+++ b/Makefile.win
@@ -0,0 +1,5 @@
+# Windows requires -lws2_32 for htons(), htonl(), etc.
+# Use make -f Makefile.win to use this Makefile, which adds
+# the required library to the LDFLAGS.
+LDFLAGS += -lws2_32
+include Makefile
\ No newline at end of file
diff --git a/cli/Makefile.inc b/cli/Makefile.inc
index f8bac28..096cbf4 100644
--- a/cli/Makefile.inc
+++ b/cli/Makefile.inc
@@ -9,6 +9,6 @@ cli_clean:
 	rm -f $(ROMPATCHER_EXE)
 
 $(ROMPATCHER_EXE): $(ROMPATCHER_SRCS:%.c=%.o) $(ROMLIB_A)
-	$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS) $(ROMLIB_A)
+	$(CC) $(CFLAGS) -o $@ $< $(ROMLIB_A) $(LDFLAGS)
 
 cli/%o: cli/%.c
diff --git a/lib/checksum.c b/lib/checksum.c
index d607b6b..fc66aec 100644
--- a/lib/checksum.c
+++ b/lib/checksum.c
@@ -1,5 +1,9 @@
 #include <stdlib.h>
+#ifdef __MINGW32__
+#include <winsock.h>
+#else
 #include <arpa/inet.h>
+#endif
 #include "macrompatcher.h"
 
 RomErr GetChecksum(RomCtx *rom, uint32_t *checksum) {
diff --git a/lib/locate_drvr.c b/lib/locate_drvr.c
index aa8dd62..aa6d8bd 100644
--- a/lib/locate_drvr.c
+++ b/lib/locate_drvr.c
@@ -1,4 +1,8 @@
+#ifdef __MINGW32__
+#include <winsock.h>
+#else
 #include <arpa/inet.h>
+#endif
 #include <stdio.h>
 #include "macrompatcher.h"
 
diff --git a/qtgui/RomPatcher.cpp b/qtgui/RomPatcher.cpp
index 69d5c3f..ca3d6a1 100644
--- a/qtgui/RomPatcher.cpp
+++ b/qtgui/RomPatcher.cpp
@@ -100,8 +100,7 @@ void RomPatcher::updateChecksumUI()
 	uint32_t cksum;
 	char *cksumstr = NULL;
 	GetChecksum(rom, &cksum);
-	asprintf(&cksumstr, "Checksum: %#x", cksum);
-	checksum->setText(cksumstr);
+        checksum->setText(QString().sprintf("%#x", cksum));
 	free(cksumstr);
 }
 
diff --git a/qtgui/RomPatcher.manifest b/qtgui/RomPatcher.manifest
new file mode 100644
index 0000000..38e7e50
--- /dev/null
+++ b/qtgui/RomPatcher.manifest
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+    <security>
+      <requestedPrivileges>
+        <requestedExecutionLevel level="asInvoker" />
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+</assembly>
\ No newline at end of file
diff --git a/qtgui/RomPatcher.pro b/qtgui/RomPatcher.pro
index e7f6aaa..3a9dc43 100644
--- a/qtgui/RomPatcher.pro
+++ b/qtgui/RomPatcher.pro
@@ -4,3 +4,8 @@ HEADERS = RomPatcher.h
 CONFIG += qt
 
 LIBS += ../lib/libmacrom.a
+
+win32 {
+    QMAKE_PRE_LINK += "windres --input ../qtgui/RomPatcher.rc --output RomPatcher.res --output-format=coff"
+    LIBS += -lws2_32 RomPatcher.res
+}
diff --git a/qtgui/RomPatcher.rc b/qtgui/RomPatcher.rc
new file mode 100644
index 0000000..9172543
--- /dev/null
+++ b/qtgui/RomPatcher.rc
@@ -0,0 +1,2 @@
+#include "winuser.h"
+1 RT_MANIFEST RomPatcher.manifest
\ No newline at end of file