diff -r 154ae3af0317 Doc/library/winreg.rst
--- a/Doc/library/winreg.rst	Fri Jan 09 16:40:38 2015 -0600
+++ b/Doc/library/winreg.rst	Thu Jan 22 16:21:28 2015 -0700
@@ -633,7 +633,7 @@
 
 .. data:: REG_DWORD_LITTLE_ENDIAN
 
-   A 32-bit number in little-endian format.
+   A 32-bit number in little-endian format. Equivalent to :const:`REG_DWORD`.
 
 .. data:: REG_DWORD_BIG_ENDIAN
 
@@ -657,6 +657,14 @@
 
    No defined value type.
 
+.. data:: REG_QWORD
+   
+   A 64-bit number.
+
+.. data:: REG_QWORD_LITTLE_ENDIAN
+
+   A 64-bit number in little-endian format. Equivalent to :const:`REG_QWORD`.
+
 .. data:: REG_RESOURCE_LIST
 
    A device-driver resource list.
diff -r 154ae3af0317 PC/winreg.c
--- a/PC/winreg.c	Fri Jan 09 16:40:38 2015 -0600
+++ b/PC/winreg.c	Thu Jan 22 16:21:28 2015 -0700
@@ -324,7 +324,7 @@
 "type is an integer that specifies the type of the data.  This should be one of:\n"
 "  REG_BINARY -- Binary data in any form.\n"
 "  REG_DWORD -- A 32-bit number.\n"
-"  REG_DWORD_LITTLE_ENDIAN -- A 32-bit number in little-endian format.\n"
+"  REG_DWORD_LITTLE_ENDIAN -- A 32-bit number in little-endian format. Equivalent to REG_DWORD.\n"
 "  REG_DWORD_BIG_ENDIAN -- A 32-bit number in big-endian format.\n"
 "  REG_EXPAND_SZ -- A null-terminated string that contains unexpanded references\n"
 "                   to environment variables (for example, %PATH%).\n"
@@ -333,6 +333,8 @@
 "                  two null characters.  Note that Python handles this\n"
 "                  termination automatically.\n"
 "  REG_NONE -- No defined value type.\n"
+"  REG_QWORD -- A 64-bit number."
+"  REG_QWORD_LITTLE_ENDIAN -- A 64-bit number in little-endian format. Equivalent to REG_QWORD.\n"
 "  REG_RESOURCE_LIST -- A device-driver resource list.\n"
 "  REG_SZ -- A null-terminated string.\n"
 "value is a string that specifies the new value.\n"
@@ -788,6 +790,24 @@
                 memcpy(*retDataBuf, &d, sizeof(DWORD));
             }
             break;
+        case REG_QWORD:
+          if (value != Py_None && !PyLong_Check(value))
+                return FALSE;
+            *retDataBuf = (BYTE *)PyMem_NEW(QWORD, 1);
+            if (*retDataBuf==NULL){
+                PyErr_NoMemory();
+                return FALSE;
+            }
+            *retDataSize = sizeof(QWORD);
+            if (value == Py_None) {
+                QWORD zero = 0;
+                memcpy(*retDataBuf, &zero, sizeof(QWORD));
+            }
+            else {
+                QWORD d = PyLong_AsUnsignedLongLong(value);
+                memcpy(*retDataBuf, &d, sizeof(QWORD));
+            }
+            break;
         case REG_SZ:
         case REG_EXPAND_SZ:
             {
@@ -917,6 +937,12 @@
             else
                 obData = PyLong_FromUnsignedLong(*(int *)retDataBuf);
             break;
+        case REG_QWORD:
+            if (retDataSize == 0)
+                obData = PyLong_FromUnsignedLongLong(0);
+            else
+                obData = PyLong_FromUnsignedLongLong(*(int *)retDataBuf);
+            break;
         case REG_SZ:
         case REG_EXPAND_SZ:
             {
@@ -1855,6 +1881,8 @@
     ADD_INT(REG_DWORD);
     ADD_INT(REG_DWORD_LITTLE_ENDIAN);
     ADD_INT(REG_DWORD_BIG_ENDIAN);
+    ADD_INT(REG_QWORD);
+    ADD_INT(REG_QWORD_LITTLE_ENDIAN);
     ADD_INT(REG_LINK);
     ADD_INT(REG_MULTI_SZ);
     ADD_INT(REG_RESOURCE_LIST);