diff --git a/lld/COFF/Config.h b/lld/COFF/Config.h
--- a/lld/COFF/Config.h
+++ b/lld/COFF/Config.h
@@ -248,9 +248,11 @@
   uint32_t minorImageVersion = 0;
   // If changing the default os/subsys version here, update the default in
   // the MinGW driver accordingly.
-  uint32_t majorOSVersion = 6;
+  // Chang the value to 4 to support win-xp
+  uint32_t majorOSVersion = 4;
   uint32_t minorOSVersion = 0;
-  uint32_t majorSubsystemVersion = 6;
+  // Chang the value to 4 to support win-xp
+  uint32_t majorSubsystemVersion = 4;
   uint32_t minorSubsystemVersion = 0;
   uint32_t timestamp = 0;
   uint32_t functionPadMin = 0;
diff --git a/lld/COFF/DriverUtils.cpp b/lld/COFF/DriverUtils.cpp
--- a/lld/COFF/DriverUtils.cpp
+++ b/lld/COFF/DriverUtils.cpp
@@ -386,11 +386,12 @@
 
   // Emit the XML. Note that we do *not* verify that the XML attributes are
   // syntactically correct. This is intentional for link.exe compatibility.
-  os << "<?xml version=\"1.0\" standalone=\"yes\"?>\n"
-     << "<assembly xmlns=\"urn:schemas-microsoft-com:asm.v1\"\n"
-     << "          manifestVersion=\"1.0\">\n";
+  // Use microsoft xml to support win-xp.
+  os << "<?xml version='1.0' encoding='UTF-8' standalone='yes'?>\n"
+     << "<assembly xmlns='urn:schemas-microsoft-com:asm.v1' "
+        "manifestVersion='1.0'>\n";
   if (config->manifestUAC) {
-    os << "  <trustInfo>\n"
+    os << "  <trustInfo xmlns=\"urn:schemas-microsoft-com:asm.v3\">\n"
        << "    <security>\n"
        << "      <requestedPrivileges>\n"
        << "         <requestedExecutionLevel level=" << config->manifestLevel
diff --git a/lld/test/COFF/hello32.test b/lld/test/COFF/hello32.test
--- a/lld/test/COFF/hello32.test
+++ b/lld/test/COFF/hello32.test
@@ -34,11 +34,11 @@
 HEADER-NEXT:   ImageBase: 0x400000
 HEADER-NEXT:   SectionAlignment: 4096
 HEADER-NEXT:   FileAlignment: 512
-HEADER-NEXT:   MajorOperatingSystemVersion: 6
+HEADER-NEXT:   MajorOperatingSystemVersion: 4
 HEADER-NEXT:   MinorOperatingSystemVersion: 0
 HEADER-NEXT:   MajorImageVersion: 0
 HEADER-NEXT:   MinorImageVersion: 0
-HEADER-NEXT:   MajorSubsystemVersion: 6
+HEADER-NEXT:   MajorSubsystemVersion: 4
 HEADER-NEXT:   MinorSubsystemVersion: 0
 HEADER-NEXT:   SizeOfImage: 20480
 HEADER-NEXT:   SizeOfHeaders: 1024
diff --git a/lld/test/COFF/manifest.test b/lld/test/COFF/manifest.test
--- a/lld/test/COFF/manifest.test
+++ b/lld/test/COFF/manifest.test
@@ -7,10 +7,9 @@
 # RUN: lld-link /manifest /out:%t.exe /entry:main %t.obj
 # RUN: FileCheck -check-prefix=MANIFEST %s < %t.exe.manifest
 
-MANIFEST: <?xml version="1.0" standalone="yes"?>
-MANIFEST: <assembly xmlns="urn:schemas-microsoft-com:asm.v1"
-MANIFEST:           manifestVersion="1.0">
-MANIFEST:   <trustInfo>
+MANIFEST: <?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+MANIFEST: <assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
+MANIFEST:   <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
 MANIFEST:     <security>
 MANIFEST:       <requestedPrivileges>
 MANIFEST:          <requestedExecutionLevel level='asInvoker' uiAccess='false'/>
@@ -23,10 +22,9 @@
 # RUN:   /manifestuac:"level='requireAdministrator' uiAccess='true'" %t.obj
 # RUN: FileCheck -check-prefix=UAC %s < %t.exe.manifest
 
-UAC: <?xml version="1.0" standalone="yes"?>
-UAC: <assembly xmlns="urn:schemas-microsoft-com:asm.v1"
-UAC:           manifestVersion="1.0">
-UAC:   <trustInfo>
+UAC: <?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+UAC: <assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
+UAC:   <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
 UAC:     <security>
 UAC:       <requestedPrivileges>
 UAC:          <requestedExecutionLevel level='requireAdministrator' uiAccess='true'/>
@@ -40,10 +38,9 @@
 # RUN:   /manifestdependency:"foo='bar'" %t.obj
 # RUN: FileCheck -check-prefix=DEPENDENCY %s < %t.exe.manifest
 
-DEPENDENCY: <?xml version="1.0" standalone="yes"?>
-DEPENDENCY: <assembly xmlns="urn:schemas-microsoft-com:asm.v1"
-DEPENDENCY:           manifestVersion="1.0">
-DEPENDENCY:   <trustInfo>
+DEPENDENCY: <?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+DEPENDENCY: <assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
+DEPENDENCY:   <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
 DEPENDENCY:     <security>
 DEPENDENCY:       <requestedPrivileges>
 DEPENDENCY:          <requestedExecutionLevel level='asInvoker' uiAccess='false'/>
@@ -61,9 +58,8 @@
 # RUN:   /manifestdependency:"foo='bar'" %t.obj
 # RUN: FileCheck -check-prefix=NOUAC %s < %t.exe.manifest
 
-NOUAC: <?xml version="1.0" standalone="yes"?>
-NOUAC: <assembly xmlns="urn:schemas-microsoft-com:asm.v1"
-NOUAC:           manifestVersion="1.0">
+NOUAC: <?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+NOUAC: <assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
 NOUAC:   <dependency>
 NOUAC:     <dependentAssembly>
 NOUAC:       <assemblyIdentity foo='bar' />
@@ -74,9 +70,8 @@
 # RUN: lld-link /manifest /out:%t.exe /entry:main /manifestuac:no %t.obj
 # RUN: FileCheck -check-prefix=NOUACNODEP %s < %t.exe.manifest
 
-NOUACNODEP: <?xml version="1.0" standalone="yes"?>
-NOUACNODEP: <assembly xmlns="urn:schemas-microsoft-com:asm.v1"
-NOUACNODEP:           manifestVersion="1.0">
+NOUACNODEP: <?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+NOUACNODEP: <assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
 NOUACNODEP: </assembly>
 
 # Several /manifestdependency: flags are naively dedup'd.
@@ -87,10 +82,9 @@
 # RUN:   %t.obj
 # RUN: FileCheck -check-prefix=SEVERALDEPS %s < %t.exe.manifest
 
-SEVERALDEPS: <?xml version="1.0" standalone="yes"?>
-SEVERALDEPS: <assembly xmlns="urn:schemas-microsoft-com:asm.v1"
-SEVERALDEPS:           manifestVersion="1.0">
-SEVERALDEPS:   <trustInfo>
+SEVERALDEPS: <?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+SEVERALDEPS: <assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
+SEVERALDEPS:   <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
 SEVERALDEPS:     <security>
 SEVERALDEPS:       <requestedPrivileges>
 SEVERALDEPS:          <requestedExecutionLevel level='asInvoker' uiAccess='false'/>
@@ -130,40 +124,43 @@
 # RUN: llvm-readobj --coff-resources %t.exe \
 # RUN:     | FileCheck --check-prefix EMBED %s
 
-EMBED: Data (
-EMBED:   0000: 3C3F786D 6C207665 7273696F 6E3D2231  |<?xml version="1|
-EMBED:   0010: 2E302220 7374616E 64616C6F 6E653D22  |.0" standalone="|
-EMBED:   0020: 79657322 3F3E0A3C 61737365 6D626C79  |yes"?>.<assembly|
-EMBED:   0030: 20786D6C 6E733D22 75726E3A 73636865  | xmlns="urn:sche|
-EMBED:   0040: 6D61732D 6D696372 6F736F66 742D636F  |mas-microsoft-co|
-EMBED:   0050: 6D3A6173 6D2E7631 220A2020 20202020  |m:asm.v1".      |
-EMBED:   0060: 20202020 6D616E69 66657374 56657273  |    manifestVers|
-EMBED:   0070: 696F6E3D 22312E30 223E0A20 203C7472  |ion="1.0">.  <tr|
-EMBED:   0080: 75737449 6E666F3E 0A202020 203C7365  |ustInfo>.    <se|
-EMBED:   0090: 63757269 74793E0A 20202020 20203C72  |curity>.      <r|
-EMBED:   00A0: 65717565 73746564 50726976 696C6567  |equestedPrivileg|
-EMBED:   00B0: 65733E0A 20202020 20202020 203C7265  |es>.         <re|
-EMBED:   00C0: 71756573 74656445 78656375 74696F6E  |questedExecution|
-EMBED:   00D0: 4C657665 6C206C65 76656C3D 27617349  |Level level='asI|
-EMBED:   00E0: 6E766F6B 65722720 75694163 63657373  |nvoker' uiAccess|
-EMBED:   00F0: 3D276661 6C736527 2F3E0A20 20202020  |='false'/>.     |
-EMBED:   0100: 203C2F72 65717565 73746564 50726976  | </requestedPriv|
-EMBED:   0110: 696C6567 65733E0A 20202020 3C2F7365  |ileges>.    </se|
-EMBED:   0120: 63757269 74793E0A 20203C2F 74727573  |curity>.  </trus|
-EMBED:   0130: 74496E66 6F3E0A20 203C6465 70656E64  |tInfo>.  <depend|
-EMBED:   0140: 656E6379 3E0A2020 20203C64 6570656E  |ency>.    <depen|
-EMBED:   0150: 64656E74 41737365 6D626C79 3E0A2020  |dentAssembly>.  |
-EMBED:   0160: 20202020 3C617373 656D626C 79496465  |    <assemblyIde|
-EMBED:   0170: 6E746974 7920666F 6F3D2762 61722720  |ntity foo='bar' |
-EMBED:   0180: 2F3E0A20 2020203C 2F646570 656E6465  |/>.    </depende|
-EMBED:   0190: 6E744173 73656D62 6C793E0A 20203C2F  |ntAssembly>.  </|
-EMBED:   01A0: 64657065 6E64656E 63793E0A 20203C64  |dependency>.  <d|
-EMBED:   01B0: 6570656E 64656E63 793E0A20 2020203C  |ependency>.    <|
-EMBED:   01C0: 64657065 6E64656E 74417373 656D626C  |dependentAssembl|
-EMBED:   01D0: 793E0A20 20202020 203C6173 73656D62  |y>.      <assemb|
-EMBED:   01E0: 6C794964 656E7469 74792062 617A3D27  |lyIdentity baz='|
-EMBED:   01F0: 71757578 27202F3E 0A202020 203C2F64  |quux' />.    </d|
-EMBED:   0200: 6570656E 64656E74 41737365 6D626C79  |ependentAssembly|
-EMBED:   0210: 3E0A2020 3C2F6465 70656E64 656E6379  |>.  </dependency|
-EMBED:   0220: 3E0A3C2F 61737365 6D626C79 3E0A      |>.</assembly>.|
-EMBED: )
+ EMBED: Data (
+ EMBED:   0000: 3C3F786D 6C207665 7273696F 6E3D2731  |<?xml version='1|
+ EMBED:   0010: 2E302720 656E636F 64696E67 3D275554  |.0' encoding='UT|
+ EMBED:   0020: 462D3827 20737461 6E64616C 6F6E653D  |F-8' standalone=|
+ EMBED:   0030: 27796573 273F3E0A 3C617373 656D626C  |'yes'?>.<assembl|
+ EMBED:   0040: 7920786D 6C6E733D 2775726E 3A736368  |y xmlns='urn:sch|
+ EMBED:   0050: 656D6173 2D6D6963 726F736F 66742D63  |emas-microsoft-c|
+ EMBED:   0060: 6F6D3A61 736D2E76 3127206D 616E6966  |om:asm.v1' manif|
+ EMBED:   0070: 65737456 65727369 6F6E3D27 312E3027  |estVersion='1.0'|
+ EMBED:   0080: 3E0A2020 3C747275 7374496E 666F2078  |>.  <trustInfo x|
+ EMBED:   0090: 6D6C6E73 3D227572 6E3A7363 68656D61  |mlns="urn:schema|
+ EMBED:   00A0: 732D6D69 63726F73 6F66742D 636F6D3A  |s-microsoft-com:|
+ EMBED:   00B0: 61736D2E 7633223E 0A202020 203C7365  |asm.v3">.    <se|
+ EMBED:   00C0: 63757269 74793E0A 20202020 20203C72  |curity>.      <r|
+ EMBED:   00D0: 65717565 73746564 50726976 696C6567  |equestedPrivileg|
+ EMBED:   00E0: 65733E0A 20202020 20202020 203C7265  |es>.         <re|
+ EMBED:   00F0: 71756573 74656445 78656375 74696F6E  |questedExecution|
+ EMBED:   0100: 4C657665 6C206C65 76656C3D 27617349  |Level level='asI|
+ EMBED:   0110: 6E766F6B 65722720 75694163 63657373  |nvoker' uiAccess|
+ EMBED:   0120: 3D276661 6C736527 2F3E0A20 20202020  |='false'/>.     |
+ EMBED:   0130: 203C2F72 65717565 73746564 50726976  | </requestedPriv|
+ EMBED:   0140: 696C6567 65733E0A 20202020 3C2F7365  |ileges>.    </se|
+ EMBED:   0150: 63757269 74793E0A 20203C2F 74727573  |curity>.  </trus|
+ EMBED:   0160: 74496E66 6F3E0A20 203C6465 70656E64  |tInfo>.  <depend|
+ EMBED:   0170: 656E6379 3E0A2020 20203C64 6570656E  |ency>.    <depen|
+ EMBED:   0180: 64656E74 41737365 6D626C79 3E0A2020  |dentAssembly>.  |
+ EMBED:   0190: 20202020 3C617373 656D626C 79496465  |    <assemblyIde|
+ EMBED:   01A0: 6E746974 7920666F 6F3D2762 61722720  |ntity foo='bar' |
+ EMBED:   01B0: 2F3E0A20 2020203C 2F646570 656E6465  |/>.    </depende|
+ EMBED:   01C0: 6E744173 73656D62 6C793E0A 20203C2F  |ntAssembly>.  </|
+ EMBED:   01D0: 64657065 6E64656E 63793E0A 20203C64  |dependency>.  <d|
+ EMBED:   01E0: 6570656E 64656E63 793E0A20 2020203C  |ependency>.    <|
+ EMBED:   01F0: 64657065 6E64656E 74417373 656D626C  |dependentAssembl|
+ EMBED:   0200: 793E0A20 20202020 203C6173 73656D62  |y>.      <assemb|
+ EMBED:   0210: 6C794964 656E7469 74792062 617A3D27  |lyIdentity baz='|
+ EMBED:   0220: 71757578 27202F3E 0A202020 203C2F64  |quux' />.    </d|
+ EMBED:   0230: 6570656E 64656E74 41737365 6D626C79  |ependentAssembly|
+ EMBED:   0240: 3E0A2020 3C2F6465 70656E64 656E6379  |>.  </dependency|
+ EMBED:   0250: 3E0A3C2F 61737365 6D626C79 3E0A      |>.</assembly>.|
+ EMBED: )
diff --git a/lld/test/COFF/manifestinput.test b/lld/test/COFF/manifestinput.test
--- a/lld/test/COFF/manifestinput.test
+++ b/lld/test/COFF/manifestinput.test
@@ -9,7 +9,7 @@
 # RUN:   -check-prefix TEST_EMBED
 
 TEST_EMBED:          ResourceTableRVA: 0x2000
-TEST_EMBED-NEXT:     ResourceTableSize: 0x2A0
+TEST_EMBED-NEXT:     ResourceTableSize: 0x2C8
 TEST_EMBED-DAG:      Resources [
 TEST_EMBED-NEXT:       Total Number of Resources: 1
 TEST_EMBED-DAG:        Number of String Entries: 0
diff --git a/lld/test/COFF/subsystem.test b/lld/test/COFF/subsystem.test
--- a/lld/test/COFF/subsystem.test
+++ b/lld/test/COFF/subsystem.test
@@ -2,9 +2,9 @@
 # RUN:   %p/Inputs/ret42.obj
 # RUN: llvm-readobj --file-headers %t.exe | FileCheck -check-prefix=CHECK1 %s
 
-CHECK1: MajorOperatingSystemVersion: 6
+CHECK1: MajorOperatingSystemVersion: 4
 CHECK1: MinorOperatingSystemVersion: 0
-CHECK1: MajorSubsystemVersion: 6
+CHECK1: MajorSubsystemVersion: 4
 CHECK1: MinorSubsystemVersion: 0
 CHECK1: Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
 
@@ -37,7 +37,7 @@
 
 CHECK4: MajorOperatingSystemVersion: 1
 CHECK4: MinorOperatingSystemVersion: 2
-CHECK4: MajorSubsystemVersion: 6
+CHECK4: MajorSubsystemVersion: 4
 CHECK4: MinorSubsystemVersion: 0
 
 # RUN: lld-link /entry:main /out:%t.exe /osversion:1.2 /subsystem:default,3.4 \