diff --git a/reactos/boot/freeldr/freeldr/debug.c b/reactos/boot/freeldr/freeldr/debug.c
index 073f6128ec9..4e9e4e1e076 100644
--- a/reactos/boot/freeldr/freeldr/debug.c
+++ b/reactos/boot/freeldr/freeldr/debug.c
@@ -38,7 +38,8 @@ ULONG		DebugPrintMask = DPRINT_INIFILE;
 #elif defined (DEBUG_REACTOS)
 ULONG		DebugPrintMask = DPRINT_REACTOS | DPRINT_REGISTRY;
 #elif defined (DEBUG_CUSTOM)
-ULONG		DebugPrintMask = DPRINT_WARNING|DPRINT_FILESYSTEM|DPRINT_MEMORY|DPRINT_LINUX;
+ULONG		DebugPrintMask = DPRINT_WARNING | DPRINT_MEMORY |
+		                 DPRINT_REACTOS | DPRINT_WINDOWS | DPRINT_HWDETECT;
 #else //#elif defined (DEBUG_NONE)
 ULONG		DebugPrintMask = 0;
 #endif
@@ -203,6 +204,16 @@ VOID DebugPrintHeader(ULONG Mask)
 		DebugPrintChar(':');
 		DebugPrintChar(' ');
 		break;
+	case DPRINT_WINDOWS:
+		DebugPrintChar('W');
+		DebugPrintChar('I');
+		DebugPrintChar('N');
+		DebugPrintChar('L');
+		DebugPrintChar('D');
+		DebugPrintChar('R');
+		DebugPrintChar(':');
+		DebugPrintChar(' ');
+		break;
 	case DPRINT_HWDETECT:
 		DebugPrintChar('H');
 		DebugPrintChar('W');
diff --git a/reactos/boot/freeldr/freeldr/freeldr_base.rbuild b/reactos/boot/freeldr/freeldr/freeldr_base.rbuild
index 15094f34202..654eb398025 100644
--- a/reactos/boot/freeldr/freeldr/freeldr_base.rbuild
+++ b/reactos/boot/freeldr/freeldr/freeldr_base.rbuild
@@ -8,6 +8,7 @@
 	<define name="DEBUG" />
 -->
 	<define name="_NTHAL_" />
+	<define name="_NTSYSTEM_" />
 	<compilerflag>-ffreestanding</compilerflag>
 	<compilerflag>-fno-builtin</compilerflag>
 	<compilerflag>-fno-inline</compilerflag>
@@ -67,7 +68,10 @@
 		<file>video.c</file>
 	</directory>
 	<directory name="windows">
+		<file>conversion.c</file>
+		<file>peloader.c</file>
 		<file>winldr.c</file>
+		<file>wlmemory.c</file>
 	</directory>
 	<file>freeldr.c</file>
 	<file>debug.c</file>
diff --git a/reactos/boot/freeldr/freeldr/include/debug.h b/reactos/boot/freeldr/freeldr/include/debug.h
index 07371aa32aa..848c9dd74f0 100644
--- a/reactos/boot/freeldr/freeldr/include/debug.h
+++ b/reactos/boot/freeldr/freeldr/include/debug.h
@@ -35,6 +35,7 @@
 	#define DPRINT_REACTOS		0x00000100  // OR this with DebugPrintMask to enable ReactOS messages
 	#define DPRINT_LINUX		0x00000200  // OR this with DebugPrintMask to enable Linux messages
 	#define DPRINT_HWDETECT		0x00000400  // OR this with DebugPrintMask to enable hardware detection messages
+	#define DPRINT_WINDOWS		0x00000800  // OR this with DebugPrintMask to enable messages from Windows loader
 
 	VOID	DebugInit(VOID);
 	VOID	DebugPrint(ULONG Mask, char *format, ...);
diff --git a/reactos/boot/freeldr/freeldr/include/winldr.h b/reactos/boot/freeldr/freeldr/include/winldr.h
index f3607fd29ba..c4c973ba59c 100644
--- a/reactos/boot/freeldr/freeldr/include/winldr.h
+++ b/reactos/boot/freeldr/freeldr/include/winldr.h
@@ -29,5 +29,49 @@
 ///////////////////////////////////////////////////////////////////////////////////////
 VOID LoadAndBootWindows(PCSTR OperatingSystemName, WORD OperatingSystemVersion);
 
+/* Entry-point to kernel */
+typedef
+VOID
+NTAPI
+(*KERNEL_ENTRY_POINT) (PLOADER_PARAMETER_BLOCK LoaderBlock);
+
+
+// Some definitions
+#define SECTOR_SIZE 512
+
+// Descriptors
+#define NUM_GDT 28 //15. The kernel wants 0xD8 as a last GDT entry offset
+#define NUM_IDT 0x100 // only 16 are used though
+
+// conversion.c
+PVOID VaToPa(PVOID Va);
+PVOID PaToVa(PVOID Pa);
+VOID List_PaToVa(LIST_ENTRY *ListEntry);
+VOID ConvertConfigToVA(PCONFIGURATION_COMPONENT_DATA Start);
+
+// peloader.c
+BOOLEAN
+WinLdrLoadImage(IN PCHAR FileName,
+                OUT PVOID *ImageBasePA);
+
+
+BOOLEAN
+WinLdrAllocateDataTableEntry(IN OUT PLOADER_PARAMETER_BLOCK WinLdrBlock,
+                             IN PCCH BaseDllName,
+                             IN PCCH FullDllName,
+                             IN PVOID BasePA,
+                             OUT PLDR_DATA_TABLE_ENTRY *NewEntry);
+
+BOOLEAN
+WinLdrScanImportDescriptorTable(IN OUT PLOADER_PARAMETER_BLOCK WinLdrBlock,
+                                IN PCCH DirectoryPath,
+                                IN PLDR_DATA_TABLE_ENTRY ScanDTE);
+
+// wlmemory.c
+BOOLEAN
+WinLdrTurnOnPaging(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
+                   ULONG PcrBasePage,
+                   ULONG TssBasePage,
+                   PVOID GdtIdt);
 
 #endif // defined __WINLDR_H
diff --git a/reactos/boot/freeldr/freeldr/windows/conversion.c b/reactos/boot/freeldr/freeldr/windows/conversion.c
new file mode 100644
index 00000000000..8d29c1eeba7
--- /dev/null
+++ b/reactos/boot/freeldr/freeldr/windows/conversion.c
@@ -0,0 +1,123 @@
+/*
+ * PROJECT:         EFI Windows Loader
+ * LICENSE:         GPL - See COPYING in the top level directory
+ * FILE:            freeldr/winldr/conversion.c
+ * PURPOSE:         Physical <-> Virtual addressing mode conversions
+ * PROGRAMMERS:     Aleksey Bragin (aleksey@reactos.org)
+ */
+
+/* INCLUDES ***************************************************************/
+
+#include <freeldr.h>
+
+//#include <ndk/ldrtypes.h>
+
+#define NDEBUG
+#include <debug.h>
+
+/* FUNCTIONS **************************************************************/
+
+/* Arch-specific addresses translation implementation */
+PVOID
+VaToPa(PVOID Va)
+{
+	return (PVOID)((ULONG_PTR)Va & ~KSEG0_BASE);
+}
+
+PVOID
+PaToVa(PVOID Pa)
+{
+	return (PVOID)((ULONG_PTR)Pa | KSEG0_BASE);
+}
+
+VOID
+List_PaToVa(LIST_ENTRY *ListEntry)
+{
+	LIST_ENTRY *ListHead = ListEntry;
+	LIST_ENTRY *Next = ListEntry->Flink;
+	LIST_ENTRY *NextPA;
+
+	//Print(L"\n\nList_Entry: %X, First Next: %X\n", ListEntry, Next);
+	//
+	// Walk through the whole list
+	//
+	if (Next != NULL)
+	{
+		while (Next != PaToVa(ListHead))
+		{
+			NextPA = VaToPa(Next);
+			//Print(L"Current: %X, Flink: %X, Blink: %X\n", Next, NextPA->Flink, NextPA->Blink);
+
+			NextPA->Flink = PaToVa((PVOID)NextPA->Flink);
+			NextPA->Blink = PaToVa((PVOID)NextPA->Blink);
+
+			//Print(L"After converting Flink: %X, Blink: %X\n", NextPA->Flink, NextPA->Blink);
+
+			Next = NextPA->Flink;
+		}
+
+		//
+		// Finally convert first Flink/Blink
+		//
+		ListEntry->Flink = PaToVa((PVOID)ListEntry->Flink);
+		if (ListEntry->Blink)
+			ListEntry->Blink = PaToVa((PVOID)ListEntry->Blink);
+	}
+}
+
+// This function converts only Child->Child, and calls itself for each Sibling
+VOID
+ConvertConfigToVA(PCONFIGURATION_COMPONENT_DATA Start)
+{
+	PCONFIGURATION_COMPONENT_DATA Child;
+	PCONFIGURATION_COMPONENT_DATA Sibling;
+
+	DbgPrint((DPRINT_WINDOWS, "ConvertConfigToVA(Start 0x%X)", Start));
+	Child = Start;
+
+	while (Child != NULL)
+	{
+		if (Child->ConfigurationData)
+			Child->ConfigurationData = PaToVa(Child->ConfigurationData);
+
+		if (Child->Child)
+			Child->Child = PaToVa(Child->Child);
+
+		if (Child->Parent)
+			Child->Parent = PaToVa(Child->Parent);
+
+		if (Child->Sibling)
+			Child->Sibling = PaToVa(Child->Sibling);
+
+		DbgPrint((DPRINT_WINDOWS, "Device 0x%X class %d", Child, Child->ComponentEntry.Class));
+
+		// If the child has a sibling list, then search the sibling list
+		// for an entry that matches the specified class, type, and key.
+		Sibling = Child->Sibling;
+		while (Sibling != NULL)
+		{
+			if (Sibling->ConfigurationData)
+				Sibling->ConfigurationData = PaToVa(Sibling->ConfigurationData);
+
+			if (Sibling->Child)
+				Sibling->Child = PaToVa(Sibling->Child);
+
+			if (Sibling->Parent)
+				Sibling->Parent = PaToVa(Sibling->Parent);
+
+			if (Sibling->Sibling)
+				Sibling->Sibling = PaToVa(Sibling->Sibling);
+
+			DbgPrint((DPRINT_WINDOWS, "Device 0x%X class %d", Sibling, Sibling->ComponentEntry.Class));
+
+			// If the sibling has a child tree, then search the child tree
+			// for an entry that matches the specified class, type, and key.
+			if (VaToPa(Sibling->Child) != NULL)
+				ConvertConfigToVA(VaToPa(Sibling->Child));
+
+			Sibling = VaToPa(Sibling->Sibling);
+		}
+
+		Child = VaToPa(Child->Child);
+	}
+}
diff --git a/reactos/boot/freeldr/freeldr/windows/peloader.c b/reactos/boot/freeldr/freeldr/windows/peloader.c
new file mode 100644
index 00000000000..c8f58f32141
--- /dev/null
+++ b/reactos/boot/freeldr/freeldr/windows/peloader.c
@@ -0,0 +1,55 @@
+/*
+ * PROJECT:         WinLoader
+ * LICENSE:         GPL - See COPYING in the top level directory
+ * FILE:            freeldr/winldr/peloader.c
+ * PURPOSE:         Provides routines for loading PE files. To be merged with
+ *                  arch/i386/loader.c in future
+ *                  This article was very handy during development:
+ *                  http://msdn.microsoft.com/msdnmag/issues/02/03/PE2/
+ * PROGRAMMERS:     Aleksey Bragin (aleksey@reactos.org)
+ *                  The source code in this file is based on the work of respective
+ *                  authors of PE loading code in ReactOS and Brian Palmer and
+ *                  Alex Ionescu's arch/i386/loader.c, and my research project
+ *                  (creating a native EFI loader for Windows)
+ */
+
+/* INCLUDES ***************************************************************/
+#include <freeldr.h>
+
+#define NDEBUG
+#include <debug.h>
+
+/* FUNCTIONS **************************************************************/
+
+BOOLEAN
+WinLdrScanImportDescriptorTable(IN OUT PLOADER_PARAMETER_BLOCK WinLdrBlock,
+                                IN PCCH DirectoryPath,
+                                IN PLDR_DATA_TABLE_ENTRY ScanDTE)
+{
+	return FALSE;
+}
+
+BOOLEAN
+WinLdrAllocateDataTableEntry(IN OUT PLOADER_PARAMETER_BLOCK WinLdrBlock,
+                             IN PCCH BaseDllName,
+                             IN PCCH FullDllName,
+                             IN PVOID BasePA,
+                             OUT PLDR_DATA_TABLE_ENTRY *NewEntry)
+{
+	return FALSE;
+}
+
+/* WinLdrLoadImage loads the specified image from the file (it doesn't
+   perform any additional operations on the filename, just directly
+   calls the file I/O routines), and relocates it so that it's ready
+   to be used when paging is enabled.
+   Addressing mode: physical
+ */
+BOOLEAN
+WinLdrLoadImage(IN PCHAR FileName,
+                OUT PVOID *ImageBasePA)
+{
+	return FALSE;
+}
+
+/* PRIVATE FUNCTIONS *******************************************************/
diff --git a/reactos/boot/freeldr/freeldr/windows/winldr.c b/reactos/boot/freeldr/freeldr/windows/winldr.c
index 6f20403b21f..45c86f4ee8c 100644
--- a/reactos/boot/freeldr/freeldr/windows/winldr.c
+++ b/reactos/boot/freeldr/freeldr/windows/winldr.c
@@ -24,13 +24,178 @@
 #define NDEBUG
 #include <debug.h>
 
+VOID DumpMemoryAllocMap(VOID);
+VOID WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock);
+
 VOID
 LoadAndBootWindows(PCSTR OperatingSystemName, WORD OperatingSystemVersion)
 {
 	CHAR  MsgBuffer[256];
+	CHAR  SystemPath[1024], SearchPath[1024];
+	CHAR  FileName[1024];
+	CHAR  BootPath[256];
+	PVOID NtosBase = NULL, HalBase = NULL;
+	BOOLEAN Status;
+	ULONG SectionId;
+	ULONG BootDevice;
+	PLOADER_PARAMETER_BLOCK LoaderBlock=NULL, LoaderBlockVA;
+	PLDR_DATA_TABLE_ENTRY KernelDTE, HalDTE;
+	KERNEL_ENTRY_POINT KiSystemStartup;
+	// Mm-related things
+	PVOID GdtIdt=NULL;
+	ULONG PcrBasePage=0;
+	ULONG TssBasePage=0;
 
-	sprintf(MsgBuffer,"Booting Microsoft(R) Windows(R) OS version '%04x' is not implemented yet", OperatingSystemVersion);
-	UiMessageBox(MsgBuffer);
+	//sprintf(MsgBuffer,"Booting Microsoft(R) Windows(R) OS version '%04x' is not implemented yet", OperatingSystemVersion);
+	//UiMessageBox(MsgBuffer);
+
+	//
+	// Open the operating system section
+	// specified in the .ini file
+	//
+	if (!IniOpenSection(OperatingSystemName, &SectionId))
+	{
+		sprintf(MsgBuffer,"Operating System section '%s' not found in freeldr.ini", OperatingSystemName);
+		UiMessageBox(MsgBuffer);
+		return;
+	}
+
+	/*
+	 * Make sure the system path is set in the .ini file
+	 */
+	if (!IniReadSettingByName(SectionId, "SystemPath", SystemPath, sizeof(SystemPath)))
+	{
+		UiMessageBox("System path not specified for selected operating system.");
+		return;
+	}
+
+	if (!MachDiskNormalizeSystemPath(SystemPath,
+	                                 sizeof(SystemPath)))
+	{
+		UiMessageBox("Invalid system path");
+		return;
+	}
+
+	UiDrawStatusText("Loading...");
+
+	/*
+	 * Try to open system drive
+	 */
+	BootDevice = 0xffffffff;
+	if (!FsOpenSystemVolume(SystemPath, BootPath, &BootDevice))
+	{
+		UiMessageBox("Failed to open boot drive.");
+		return;
+	}
+
+	/* append a backslash */
+	if ((strlen(BootPath)==0) ||
+	    BootPath[strlen(BootPath)] != '\\')
+		strcat(BootPath, "\\");
+
+	DbgPrint((DPRINT_WINDOWS,"SystemRoot: '%s'\n", BootPath));
+
+	/* Allocate and minimalistic-initialize LPB */
+	//AllocateAndInitLPB(&LoaderBlock);
+
+	// Load kernel
+	strcpy(FileName, BootPath);
+	strcat(FileName, "SYSTEM32\\NTOSKRNL.EXE");
+	Status = WinLdrLoadImage(FileName, &NtosBase);
+	DbgPrint((DPRINT_WINDOWS, "Ntos loaded with status %d\n", Status));
+
+	// Load HAL
+	strcpy(FileName, BootPath);
+	strcat(FileName, "SYSTEM32\\HAL.DLL");
+	Status = WinLdrLoadImage(FileName, &HalBase);
+	DbgPrint((DPRINT_WINDOWS, "HAL loaded with status %d\n", Status));
+
+	WinLdrAllocateDataTableEntry(LoaderBlock, "ntoskrnl.exe",
+		"WINNT\\SYSTEM32\\NTOSKRNL.EXE", NtosBase, &KernelDTE);
+	WinLdrAllocateDataTableEntry(LoaderBlock, "hal.dll",
+		"WINNT\\SYSTEM32\\HAL.EXE", HalBase, &HalDTE);
+
+	/* Load all referenced DLLs for kernel and HAL */
+	strcpy(SearchPath, BootPath);
+	strcat(SearchPath, "SYSTEM32\\");
+	WinLdrScanImportDescriptorTable(LoaderBlock, SearchPath, KernelDTE);
+	WinLdrScanImportDescriptorTable(LoaderBlock, SearchPath, HalDTE);
+
+	/* Initialize Phase 1 - before NLS */
+	//WinLdrInitializePhase1(LoaderBlock);
+
+	/* Load SYSTEM hive and its LOG file */
+	strcpy(SearchPath, BootPath);
+	strcat(SearchPath, "SYSTEM32\\CONFIG\\");
+	//Status = WinLdrLoadSystemHive(LoaderBlock, SearchPath, "SYSTEM");
+	DbgPrint((DPRINT_WINDOWS, "SYSTEM hive loaded with status %d\n", Status));
+
+	/* Load NLS data */
+	strcpy(SearchPath, BootPath);
+	strcat(SearchPath, "SYSTEM32\\");
+	//Status = WinLdrLoadNLSData(LoaderBlock, SearchPath,
+	//	"c_1252.nls", "c_437.nls", "l_intl.nls");
+	DbgPrint((DPRINT_WINDOWS, "NLS data loaded with status %d\n", Status));
+
+	/* Load OEM HAL font */
+
+	/* Load boot drivers */
+
+	/* Alloc PCR, TSS, do magic things with the GDT/IDT */
+	//WinLdrSetupForNt(LoaderBlock, &GdtIdt, &PcrBasePage, &TssBasePage);
+
+	/* Save entry-point pointer (VA) */
+	KiSystemStartup = (KERNEL_ENTRY_POINT)KernelDTE->EntryPoint;
+	LoaderBlockVA = PaToVa(LoaderBlock);
+
+	/* Debugging... */
+	//DumpMemoryAllocMap();
+
+	/* Turn on paging mode of CPU*/
+	WinLdrTurnOnPaging(LoaderBlock, PcrBasePage, TssBasePage, GdtIdt);
+
+	DbgPrint((DPRINT_WINDOWS, "Hello from paged mode, KiSystemStartup %p, LoaderBlockVA %p!\n",
+		KiSystemStartup, LoaderBlockVA));
+
+	WinLdrpDumpMemoryDescriptors(LoaderBlockVA);
+
+	/*__asm
+	{
+		or esp, KSEG0_BASE;
+		or ebp, KSEG0_BASE;
+	}*/
+
+	/*
+	{
+		ULONG *trrr = (ULONG *)(512*1024*1024);
+
+		*trrr = 0x13131414;
+	}
+
+	//FIXME!
+	while (1) {};*/
+
+	(KiSystemStartup)(LoaderBlockVA);
 
 	return;
 }
+
+VOID
+WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock)
+{
+	PLIST_ENTRY NextMd;
+	PMEMORY_ALLOCATION_DESCRIPTOR MemoryDescriptor;
+
+	NextMd = LoaderBlock->MemoryDescriptorListHead.Flink;
+
+	while (NextMd != &LoaderBlock->MemoryDescriptorListHead)
+	{
+		MemoryDescriptor = CONTAINING_RECORD(NextMd, MEMORY_ALLOCATION_DESCRIPTOR, ListEntry);
+
+
+		DbgPrint((DPRINT_WINDOWS, "BP %08X PC %04X MT %d\n", MemoryDescriptor->BasePage,
+			MemoryDescriptor->PageCount, MemoryDescriptor->MemoryType));
+
+		NextMd = MemoryDescriptor->ListEntry.Flink;
+	}
+}
diff --git a/reactos/boot/freeldr/freeldr/windows/wlmemory.c b/reactos/boot/freeldr/freeldr/windows/wlmemory.c
new file mode 100644
index 00000000000..a9393a6e98f
--- /dev/null
+++ b/reactos/boot/freeldr/freeldr/windows/wlmemory.c
@@ -0,0 +1,35 @@
+/*
+ * PROJECT:         EFI Windows Loader
+ * LICENSE:         GPL - See COPYING in the top level directory
+ * FILE:            freeldr/winldr/wlmemory.c
+ * PURPOSE:         Memory related routines
+ * PROGRAMMERS:     Aleksey Bragin (aleksey@reactos.org)
+ */
+
+/* INCLUDES ***************************************************************/
+
+#include <freeldr.h>
+
+#include <ndk/asm.h>
+
+#define NDEBUG
+#include <debug.h>
+
+// This is needed because headers define wrong one for ReactOS
+#undef KIP0PCRADDRESS
+#define KIP0PCRADDRESS                      0xffdff000
+
+#define HYPER_SPACE_ENTRY       0x300
+
+/* GLOBALS ***************************************************************/
+
+/* FUNCTIONS **************************************************************/
+
+BOOLEAN
+WinLdrTurnOnPaging(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
+                   ULONG PcrBasePage,
+                   ULONG TssBasePage,
+                   PVOID GdtIdt)
+{
+	return FALSE;
+}