diff --git a/ctypes_generation/definitions/functions/registry.txt b/ctypes_generation/definitions/functions/registry.txt
index b1caa3a..2b527dc 100644
--- a/ctypes_generation/definitions/functions/registry.txt
+++ b/ctypes_generation/definitions/functions/registry.txt
@@ -282,4 +282,28 @@ LSTATUS RegSaveKeyExW(
   LPCWSTR                     lpFile,
   LPSECURITY_ATTRIBUTES lpSecurityAttributes,
   DWORD                       Flags
+);
+
+
+LSTATUS RegLoadKeyA(
+  [in]           HKEY   hKey,
+  [in, optional] LPCSTR lpSubKey,
+  [in]           LPCSTR lpFile
+);
+
+
+LSTATUS RegLoadKeyW(
+  [in]           HKEY    hKey,
+  [in, optional] LPCWSTR lpSubKey,
+  [in]           LPCWSTR lpFile
+);
+
+LSTATUS RegUnLoadKeyA(
+  [in]           HKEY   hKey,
+  [in, optional] LPCSTR lpSubKey
+);
+
+LSTATUS RegUnLoadKeyW(
+  [in]           HKEY    hKey,
+  [in, optional] LPCWSTR lpSubKey
 );
\ No newline at end of file
diff --git a/windows/generated_def/meta.py b/windows/generated_def/meta.py
index e7a2ba2..e284a6d 100644
--- a/windows/generated_def/meta.py
+++ b/windows/generated_def/meta.py
@@ -14045,6 +14045,8 @@ functions = set(['AccessCheck',
      'RegGetKeySecurity',
      'RegGetValueA',
      'RegGetValueW',
+     'RegLoadKeyA',
+     'RegLoadKeyW',
      'RegOpenKeyExA',
      'RegOpenKeyExW',
      'RegQueryInfoKeyA',
@@ -14059,6 +14061,8 @@ functions = set(['AccessCheck',
      'RegSetKeyValueW',
      'RegSetValueExA',
      'RegSetValueExW',
+     'RegUnLoadKeyA',
+     'RegUnLoadKeyW',
      'RegisterTraceGuidsA',
      'RegisterTraceGuidsW',
      'RemoveVectoredExceptionHandler',
diff --git a/windows/generated_def/winfuncs.py b/windows/generated_def/winfuncs.py
index 270e35d..15ede01 100644
--- a/windows/generated_def/winfuncs.py
+++ b/windows/generated_def/winfuncs.py
@@ -1665,6 +1665,26 @@ RegSaveKeyExAParams = ((1, 'hKey'), (1, 'lpFile'), (1, 'lpSecurityAttributes'),
 RegSaveKeyExWPrototype = WINFUNCTYPE(LSTATUS, HKEY, LPCWSTR, LPSECURITY_ATTRIBUTES, DWORD)
 RegSaveKeyExWParams = ((1, 'hKey'), (1, 'lpFile'), (1, 'lpSecurityAttributes'), (1, 'Flags'))
 
+#def RegLoadKeyA(hKey, lpSubKey, lpFile):
+#    return RegLoadKeyA.ctypes_function(hKey, lpSubKey, lpFile)
+RegLoadKeyAPrototype = WINFUNCTYPE(LSTATUS, HKEY, LPCSTR, LPCSTR)
+RegLoadKeyAParams = ((1, 'hKey'), (1, 'lpSubKey'), (1, 'lpFile'))
+
+#def RegLoadKeyW(hKey, lpSubKey, lpFile):
+#    return RegLoadKeyW.ctypes_function(hKey, lpSubKey, lpFile)
+RegLoadKeyWPrototype = WINFUNCTYPE(LSTATUS, HKEY, LPCWSTR, LPCWSTR)
+RegLoadKeyWParams = ((1, 'hKey'), (1, 'lpSubKey'), (1, 'lpFile'))
+
+#def RegUnLoadKeyA(hKey, lpSubKey):
+#    return RegUnLoadKeyA.ctypes_function(hKey, lpSubKey)
+RegUnLoadKeyAPrototype = WINFUNCTYPE(LSTATUS, HKEY, LPCSTR)
+RegUnLoadKeyAParams = ((1, 'hKey'), (1, 'lpSubKey'))
+
+#def RegUnLoadKeyW(hKey, lpSubKey):
+#    return RegUnLoadKeyW.ctypes_function(hKey, lpSubKey)
+RegUnLoadKeyWPrototype = WINFUNCTYPE(LSTATUS, HKEY, LPCWSTR)
+RegUnLoadKeyWParams = ((1, 'hKey'), (1, 'lpSubKey'))
+
 #def IsValidSecurityDescriptor(pSecurityDescriptor):
 #    return IsValidSecurityDescriptor.ctypes_function(pSecurityDescriptor)
 IsValidSecurityDescriptorPrototype = WINFUNCTYPE(BOOL, PSECURITY_DESCRIPTOR)
diff --git a/windows/winproxy/apis/advapi32.py b/windows/winproxy/apis/advapi32.py
index 682af75..4517abd 100644
--- a/windows/winproxy/apis/advapi32.py
+++ b/windows/winproxy/apis/advapi32.py
@@ -403,6 +403,22 @@ def RegSaveKeyExA(hKey, lpFile, lpSecurityAttributes, Flags):
 def RegSaveKeyExW(hKey, lpFile, lpSecurityAttributes, Flags):
     return RegSaveKeyExW.ctypes_function(hKey, lpFile, lpSecurityAttributes, Flags)
 
+@Advapi32Proxy(error_check=result_is_error_code)
+def RegLoadKeyA(hKey, lpSubKey, lpFile):
+    return RegLoadKeyA.ctypes_function(hKey, lpSubKey, lpFile)
+
+@Advapi32Proxy(error_check=result_is_error_code)
+def RegLoadKeyW(hKey, lpSubKey, lpFile):
+    return RegLoadKeyW.ctypes_function(hKey, lpSubKey, lpFile)
+
+@Advapi32Proxy(error_check=result_is_error_code)
+def RegUnLoadKeyA(hKey, lpSubKey):
+    return RegUnLoadKeyA.ctypes_function(hKey, lpSubKey)
+
+@Advapi32Proxy(error_check=result_is_error_code)
+def RegUnLoadKeyW(hKey, lpSubKey):
+    return RegUnLoadKeyW.ctypes_function(hKey, lpSubKey)
+
 # Service
 
 @Advapi32Proxy()