diff --git a/spine-cocos2dx/README.md b/spine-cocos2dx/README.md
index ad1ff1bcf..5f70e8d75 100644
--- a/spine-cocos2dx/README.md
+++ b/spine-cocos2dx/README.md
@@ -47,13 +47,12 @@ The Spine cocos2d-x example works on Windows, Mac OS X, iOS and Android.
 2. Install CMake via the [Windows installer package](https://cmake.org/download/).
 3. Download the Spine Runtimes repository using git (`git clone https://github.com/esotericsoftware/spine-runtimes`) or download it as a zip via the download button above.
 4. Run CMake GUI from the start menu
-5. Click `Browse Source` and select the directory `spine-runtimes`
-6. Click `Browse Build` and select the `spine-runtimes/spine-cocos2dx/build` directory. You can create the `build` folder directly in the file dialog via `New Folder`.
-7. Click `Configure`. Check `SPINE_COCOS2D_X`
-8. Click `Configure` again. This will download the cocos2d-x dependency and wire it up with the example source code in `spine-runtimes/spine-cocos2dx/example`. The download is 400mb, so get yourself a cup of tea.
-7. Open the file `spine-cocos2dx\example\cocos2d\cocos\2d\cocos2dx.props` and remove the `libSpine.lib` entry from the `<AdditionalDependencies>` tag.
+5. Click `Browse Source` and select the directory `spine-runtimes/spine-cocos2dx/`
+6. Click `Browse Build` and select the `spine-runtimes/spine-cocos2dx/build/` directory. You can create the `build` folder directly in the file dialog via `New Folder`.
+7. Click `Configure` again. This will download the cocos2d-x dependency and wire it up with the example source code in `spine-runtimes/spine-cocos2dx/example`. The download is 400mb, so get yourself a cup of tea.
+8. Open the file `spine-cocos2dx\example\cocos2d\cocos\2d\cocos2dx.props` and remove the `libSpine.lib` entry from the `<AdditionalDependencies>` tag.
 8. Open the `spine-runtimes/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.sln` file in Visual Studio 2019. Visual Studio may ask you to install the Windows XP/7 SDK, which you should install.
-9. Expand `References` of the libcocos2d sub project, and remove the entry for `libSpine`, which should be marked with an error.
+9. Expand `References` of the `libcocos2d` sub project, and remove the entry for `libSpine`, which should be marked with an error.
 9. Right click the `spine-cocos2d-x` project in the solution explorer and select `Set as Startup Project` from the context menu
 10. Click `Local Windows Debugger` to run the example
 
@@ -83,19 +82,20 @@ The Spine cocos2d-x example works on Windows, Mac OS X, iOS and Android.
 
 ### Cocos2d-x v4.x
 
+Please note the [new prerequisits to compile Cocos2d-x v4 projects on different platforms](https://docs.cocos2d-x.org/cocos2d-x/v4/en/installation/prerequisites.html). This includes an installation of Python 2.7.x!
+
 #### Windows
 1. Install [Visual Studio 2019 Community](https://www.visualstudio.com/en-us/downloads/download-visual-studio-vs.aspx)
 2. Install CMake via the [Windows installer package](https://cmake.org/download/).
 3. Download the Spine Runtimes repository using git (`git clone https://github.com/esotericsoftware/spine-runtimes`) or download it as a zip via the download button above.
 4. Run CMake GUI from the start menu
 5. Click `Browse Source` and select the directory `spine-runtimes`
-6. Click `Browse Build` and select the `spine-runtimes/spine-cocos2dx/build` directory. You can create the `build` folder directly in the file dialog via `New Folder`.
-7. Click `Configure`. Check `SPINE_COCOS2D_X`
+6. Click `Browse Build` and select the `spine-runtimes/spine-cocos2dx/build-v4` directory. You can create the `build-v4` folder directly in the file dialog via `New Folder`.
+7. Click `Configure`. Check `USE_COCOS2DX_V4`
 8. Click `Configure` again. This will download the cocos2d-x dependency and wire it up with the example source code in `spine-runtimes/spine-cocos2dx/example`. The download is 400mb, so get yourself a cup of tea.
-7. Open the file `spine-cocos2dx\example\cocos2d\cocos\2d\cocos2dx.props` and remove the `libSpine.lib` entry from the `<AdditionalDependencies>` tag.
-8. Open the `spine-runtimes/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.sln` file in Visual Studio 2019. Visual Studio may ask you to install the Windows XP/7 SDK, which you should install.
-9. Expand `References` of the libcocos2d sub project, and remove the entry for `libSpine`, which should be marked with an error.
-9. Right click the `spine-cocos2d-x` project in the solution explorer and select `Set as Startup Project` from the context menu
+9. Click `Generate` this will create the Visual Studio solution in `spine-runtimes/spine-cocos2dx/build-v4`.
+8. Open the `spine-runtimes/spine-cocos2dx/build-v4/spine-cocos2dx-example.sln` file in Visual Studio 2019. Visual Studio may ask you to install the Windows XP/7 SDK, which you should install.
+9. Right click the `spine-cocos2dx-example` project in the solution explorer and select `Set as Startup Project` from the context menu
 10. Click `Local Windows Debugger` to run the example
 
 #### macOS
diff --git a/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.vcxproj b/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.vcxproj
index fa1df7380..ec0df170f 100644
--- a/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.vcxproj
+++ b/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.vcxproj
@@ -67,7 +67,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>$(EngineRoot)external;$(EngineRoot)cocos\audio\include;$(EngineRoot)external\chipmunk\include\chipmunk;$(EngineRoot)extensions;..\Classes;..;%(AdditionalIncludeDirectories);$(_COCOS_HEADER_WIN32_BEGIN);$(_COCOS_HEADER_WIN32_END);$(SolutionDir)..\..\..\spine-cpp\spine-cpp\include;$(SolutionDir)..\..\src;$(IncludePath)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(EngineRoot)external;$(EngineRoot)cocos\audio\include;$(EngineRoot)external\chipmunk\include\chipmunk;$(EngineRoot)extensions;..\Classes;..;%(AdditionalIncludeDirectories);$(_COCOS_HEADER_WIN32_BEGIN);$(_COCOS_HEADER_WIN32_END);..\..\..\spine-cpp\spine-cpp\include;$(SolutionDir)..\..\src;$(IncludePath)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USE_MATH_DEFINES;GL_GLEXT_PROTOTYPES;CC_ENABLE_CHIPMUNK_INTEGRATION=1;COCOS2D_DEBUG=1;_CRT_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>false</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
@@ -203,14 +203,15 @@ xcopy "$(ProjectDir)..\Resources" "$(OutDir)\Resources" /D /E /I /F /Y
     <ClCompile Include="..\..\..\spine-cpp\spine-cpp\src\spine\VertexEffect.cpp" />
     <ClCompile Include="..\..\src\spine\AttachmentVertices.cpp" />
     <ClCompile Include="..\..\src\spine\SkeletonAnimation.cpp" />
-    <ClCompile Include="..\..\src\spine\SkeletonBatch.cpp" />
+    <ClCompile Include="..\..\src\spine\v3\SkeletonBatch.cpp" />
     <ClCompile Include="..\..\src\spine\SkeletonRenderer.cpp" />
-    <ClCompile Include="..\..\src\spine\SkeletonTwoColorBatch.cpp" />
+    <ClCompile Include="..\..\src\spine\v3\SkeletonTwoColorBatch.cpp" />
     <ClCompile Include="..\..\src\spine\spine-cocos2dx.cpp" />
     <ClCompile Include="..\Classes\AppDelegate.cpp" />
     <ClCompile Include="..\Classes\BatchingExample.cpp" />
     <ClCompile Include="..\Classes\CoinExample.cpp" />
     <ClCompile Include="..\Classes\GoblinsExample.cpp" />
+    <ClCompile Include="..\Classes\IKExample.cpp" />
     <ClCompile Include="..\Classes\MixAndMatchExample.cpp" />
     <ClCompile Include="..\Classes\RaptorExample.cpp" />
     <ClCompile Include="..\Classes\SkeletonRendererSeparatorExample.cpp" />
@@ -300,15 +301,16 @@ xcopy "$(ProjectDir)..\Resources" "$(OutDir)\Resources" /D /E /I /F /Y
     <ClInclude Include="..\..\..\spine-cpp\spine-cpp\include\spine\Vertices.h" />
     <ClInclude Include="..\..\src\spine\AttachmentVertices.h" />
     <ClInclude Include="..\..\src\spine\SkeletonAnimation.h" />
-    <ClInclude Include="..\..\src\spine\SkeletonBatch.h" />
+    <ClInclude Include="..\..\src\spine\v3\SkeletonBatch.h" />
     <ClInclude Include="..\..\src\spine\SkeletonRenderer.h" />
-    <ClInclude Include="..\..\src\spine\SkeletonTwoColorBatch.h" />
+    <ClInclude Include="..\..\src\spine\v3\SkeletonTwoColorBatch.h" />
     <ClInclude Include="..\..\src\spine\spine-cocos2dx.h" />
     <ClInclude Include="..\Classes\AppDelegate.h" />
     <ClInclude Include="..\Classes\AppMacros.h" />
     <ClInclude Include="..\Classes\BatchingExample.h" />
     <ClInclude Include="..\Classes\CoinExample.h" />
     <ClInclude Include="..\Classes\GoblinsExample.h" />
+    <ClInclude Include="..\Classes\IKExample.h" />
     <ClInclude Include="..\Classes\MixAndMatchExample.h" />
     <ClInclude Include="..\Classes\RaptorExample.h" />
     <ClInclude Include="..\Classes\SkeletonRendererSeparatorExample.h" />
diff --git a/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.vcxproj.filters b/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.vcxproj.filters
index 8b7720b34..ec494f191 100644
--- a/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.vcxproj.filters
+++ b/spine-cocos2dx/example/proj.win32/spine-cocos2d-x.vcxproj.filters
@@ -27,15 +27,6 @@
     <ClCompile Include="..\..\src\spine\SkeletonAnimation.cpp">
       <Filter>spine-cocos2dx</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\spine\SkeletonBatch.cpp">
-      <Filter>spine-cocos2dx</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\src\spine\SkeletonRenderer.cpp">
-      <Filter>spine-cocos2dx</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\src\spine\SkeletonTwoColorBatch.cpp">
-      <Filter>spine-cocos2dx</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\src\spine\spine-cocos2dx.cpp">
       <Filter>spine-cocos2dx</Filter>
     </ClCompile>
@@ -249,6 +240,18 @@
     <ClCompile Include="..\Classes\MixAndMatchExample.cpp">
       <Filter>src</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\spine\v3\SkeletonBatch.cpp">
+      <Filter>spine-cocos2dx</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\spine\v3\SkeletonTwoColorBatch.cpp">
+      <Filter>spine-cocos2dx</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\spine\SkeletonRenderer.cpp">
+      <Filter>spine-cocos2dx</Filter>
+    </ClCompile>
+    <ClCompile Include="..\Classes\IKExample.cpp">
+      <Filter>src</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="main.h">
@@ -260,15 +263,6 @@
     <ClInclude Include="..\..\src\spine\SkeletonAnimation.h">
       <Filter>spine-cocos2dx</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\src\spine\SkeletonBatch.h">
-      <Filter>spine-cocos2dx</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\src\spine\SkeletonRenderer.h">
-      <Filter>spine-cocos2dx</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\src\spine\SkeletonTwoColorBatch.h">
-      <Filter>spine-cocos2dx</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\src\spine\spine-cocos2dx.h">
       <Filter>spine-cocos2dx</Filter>
     </ClInclude>
@@ -539,6 +533,18 @@
     <ClInclude Include="..\Classes\MixAndMatchExample.h">
       <Filter>src</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\spine\v3\SkeletonBatch.h">
+      <Filter>spine-cocos2dx</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\spine\v3\SkeletonTwoColorBatch.h">
+      <Filter>spine-cocos2dx</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\spine\SkeletonRenderer.h">
+      <Filter>spine-cocos2dx</Filter>
+    </ClInclude>
+    <ClInclude Include="..\Classes\IKExample.h">
+      <Filter>src</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="game.rc">