diff --git a/3rdparty/simdlib/Simd/SimdAlignment.h b/3rdparty/simdlib/Simd/SimdAlignment.h
index a0c5699a06..08f451b495 100644
--- a/3rdparty/simdlib/Simd/SimdAlignment.h
+++ b/3rdparty/simdlib/Simd/SimdAlignment.h
@@ -58,7 +58,7 @@ namespace Simd
 
     SIMD_INLINE size_t Alignment()
     {
-#if defined(WIN32)
+#if defined(_WIN32)
         return GetAlignment();
 #else
         return ALIGNMENT;
diff --git a/3rdparty/simdlib/Simd/SimdAllocator.hpp b/3rdparty/simdlib/Simd/SimdAllocator.hpp
index 8ee548e5ae..e90d5520ab 100644
--- a/3rdparty/simdlib/Simd/SimdAllocator.hpp
+++ b/3rdparty/simdlib/Simd/SimdAllocator.hpp
@@ -125,7 +125,7 @@ namespace Simd
         */
         static SIMD_INLINE size_t Alignment()
         {
-#if defined(__SimdAlignment_h__) && defined(WIN32)
+#if defined(__SimdAlignment_h__) && defined(_WIN32)
             return Simd::Alignment();
 #else
             return SimdAlignment();
diff --git a/3rdparty/simdlib/Simd/SimdBaseCpu.cpp b/3rdparty/simdlib/Simd/SimdBaseCpu.cpp
index ab0cf38d6f..53948c1400 100644
--- a/3rdparty/simdlib/Simd/SimdBaseCpu.cpp
+++ b/3rdparty/simdlib/Simd/SimdBaseCpu.cpp
@@ -33,7 +33,7 @@
 #include <sstream>
 #include <iostream>
 
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 
 #ifndef NOMINMAX
 #define NOMINMAX
@@ -77,7 +77,7 @@ namespace Simd {
 #if defined(SIMD_X86_ENABLE) || defined(SIMD_X64_ENABLE)
     bool CheckBit(int eax, int ecx, Cpuid::Register index, Cpuid::Bit bit) {
       unsigned int registers[4] = { 0, 0, 0, 0 };
-#if defined(_MSC_VER)
+#if defined(_WIN32)
       __cpuidex((int*)registers, eax, ecx);
 #elif (defined __GNUC__)
       if (__get_cpuid_max(0, NULL) < eax)
@@ -124,7 +124,7 @@ namespace Simd {
       }
 #endif
 
-#if defined(_MSC_VER)
+#if defined(_WIN32)
     typedef SYSTEM_LOGICAL_PROCESSOR_INFORMATION Info;
 
     void GetLogicalProcessorInformation(std::vector<Info>& info) {
diff --git a/3rdparty/simdlib/Simd/SimdLib.cpp b/3rdparty/simdlib/Simd/SimdLib.cpp
index a70197885d..57adeb2df5 100644
--- a/3rdparty/simdlib/Simd/SimdLib.cpp
+++ b/3rdparty/simdlib/Simd/SimdLib.cpp
@@ -30,7 +30,7 @@
 #define SIMD_LIB_CPP
 #endif
 
-#if defined(WIN32) && !defined(SIMD_STATIC)
+#if defined(_WIN32) && !defined(SIMD_STATIC)
 
 #define SIMD_EXPORTS
 #ifndef NOMINMAX
@@ -50,7 +50,7 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD dwReasonForCall, LPVOID lpReserved)
     }
     return TRUE;
 }
-#endif//WIN32
+#endif//_WIN32
 
 #include "Simd/SimdLib.h"
 
diff --git a/modules/core/include/visp3/core/vpSerial.h b/modules/core/include/visp3/core/vpSerial.h
index fca5de1a55..ade88891ba 100644
--- a/modules/core/include/visp3/core/vpSerial.h
+++ b/modules/core/include/visp3/core/vpSerial.h
@@ -1,6 +1,6 @@
 /*
  * ViSP, open source Visual Servoing Platform software.
- * Copyright (C) 2005 - 2023 by Inria. All rights reserved.
+ * Copyright (C) 2005 - 2024 by Inria. All rights reserved.
  *
  * This software is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -31,8 +31,8 @@
  * Serial communication.
  */
 
-#ifndef _vpSerial_h_
-#define _vpSerial_h_
+#ifndef VP_SERIAL_H
+#define VP_SERIAL_H
 
 #if !defined(_WIN32)
 
diff --git a/modules/core/src/tools/serial/vpSerial.cpp b/modules/core/src/tools/serial/vpSerial.cpp
index cbf311b474..4c06297990 100644
--- a/modules/core/src/tools/serial/vpSerial.cpp
+++ b/modules/core/src/tools/serial/vpSerial.cpp
@@ -1,5 +1,4 @@
-/****************************************************************************
- *
+/*
  * ViSP, open source Visual Servoing Platform software.
  * Copyright (C) 2005 - 2023 by Inria. All rights reserved.
  *
@@ -30,8 +29,7 @@
  *
  * Description:
  * Serial communication.
- *
-*****************************************************************************/
+ */
 
 #include <visp3/core/vpConfig.h>
 
@@ -100,7 +98,7 @@ BEGIN_VISP_NAMESPACE
   \param[in] bytesize : Size of each byte in the serial transmission of data. Default is 8 bits.
   \param[in] parity : Parity parameter. Default is without parity check.
   \param[in] stopbits : Number of stop bits used. Default is 1 stop bit.
-  \param[in] flowcontrol : Type of flowcontrol used. Default is no flow control.
+  \param[in] flowcontrol : Type of flow control used. Default is no flow control.
 
  */
   vpSerial::vpSerial(const std::string &port, unsigned long baudrate, bytesize_t bytesize, parity_t parity,
@@ -223,7 +221,7 @@ void vpSerial::close()
 
   int main()
   {
-  #ifndef WIN32
+  #ifndef _WIN32
     vpSerial serial;
 
     serial.setPort("/dev/ttyUSB0");
diff --git a/modules/core/test/math/testMath.cpp b/modules/core/test/math/testMath.cpp
index 23292c7aca..edd45b92d6 100644
--- a/modules/core/test/math/testMath.cpp
+++ b/modules/core/test/math/testMath.cpp
@@ -53,7 +53,7 @@
  // 4723 : potential divide by 0
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #ifndef NAN
 // https://msdn.microsoft.com/en-us/library/w22adx1s%28v=vs.120%29.aspx
 // http://tdistler.com/2011/03/24/how-to-define-nan-not-a-number-on-windows
diff --git a/modules/robot/src/real-robot/flir-ptu/vpRobotFlirPtu.cpp b/modules/robot/src/real-robot/flir-ptu/vpRobotFlirPtu.cpp
index ce4e9a98e1..27b57c2a03 100644
--- a/modules/robot/src/real-robot/flir-ptu/vpRobotFlirPtu.cpp
+++ b/modules/robot/src/real-robot/flir-ptu/vpRobotFlirPtu.cpp
@@ -71,7 +71,7 @@ void vpRobotFlirPtu::emergencyStop(int signo)
   case SIGSEGV:
     msg << "SIGSEGV (stop due to a segmentation fault) ";
     break;
-#ifndef WIN32
+#ifndef _WIN32
   case SIGBUS:
     msg << "SIGBUS (stop due to a bus error) ";
     break;
@@ -113,7 +113,7 @@ vpRobotFlirPtu::vpRobotFlirPtu()
 {
   signal(SIGINT, vpRobotFlirPtu::emergencyStop);
   signal(SIGSEGV, vpRobotFlirPtu::emergencyStop);
-#ifndef WIN32
+#ifndef _WIN32
   signal(SIGBUS, vpRobotFlirPtu::emergencyStop);
   signal(SIGKILL, vpRobotFlirPtu::emergencyStop);
   signal(SIGQUIT, vpRobotFlirPtu::emergencyStop);
@@ -547,7 +547,7 @@ void vpRobotFlirPtu::connect(const std::string &portname, int baudrate)
 
   // Open a port
   if (ceropen(m_cer, portname.c_str(), 0)) {
-#if WIN32
+#if _WIN32
     throw(vpException(vpException::fatalError, "Failed to open %s: %s.", portname.c_str(),
                       cerstrerror(m_cer, errstr, sizeof(errstr))));
 #else