diff --git a/.github/workflows/windows-test.yml b/.github/workflows/windows-test.yml
new file mode 100644
index 0000000..197439b
--- /dev/null
+++ b/.github/workflows/windows-test.yml
@@ -0,0 +1,24 @@
+# This starter workflow is for a CMake project running on a single platform. There is a different starter workflow if you need cross-platform coverage.
+# See: https://github.com/actions/starter-workflows/blob/main/ci/cmake-multi-platform.yml
+name: CMake on a single platform
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Build tests
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: ./build_tests.bat
+    - name: Start tests
+      run: ./build/bin/Release/Tests.exe
+
diff --git a/Core/Types/object_ptr.hpp b/Core/Types/object_ptr.hpp
index 3b8414b..aa1146f 100644
--- a/Core/Types/object_ptr.hpp
+++ b/Core/Types/object_ptr.hpp
@@ -154,9 +154,19 @@ static void add_owner(object_ptr<Ty>& ptr)
             if (ptr_) counter::remove_object<Ty>(ptr_);
         }
 
-        Ty* get() const noexcept { return ptr_.load(); }
-        Ty& operator*() const noexcept { return *ptr_; }
-        Ty* operator->() const noexcept { return ptr_.load(); }
+        Ty* get() const { return ptr_.load(); }
+        Ty& operator*() const
+        {
+            if (!ptr_.load())
+                throw std::runtime_error("Null pointer");
+            return *ptr_;
+        }
+        Ty* operator->() const
+        {
+            if (!ptr_.load())
+                throw std::runtime_error("Null pointer");
+            return ptr_.load();
+        }
         operator bool() const noexcept { return ptr_.load() != nullptr; }
         object_ptr<Ty>& operator=(const object_ptr<Ty>& ptr)
         {
diff --git a/build_Engine.bat b/build_Engine.bat
new file mode 100644
index 0000000..d6cbf48
--- /dev/null
+++ b/build_Engine.bat
@@ -0,0 +1,11 @@
+@echo off
+mkdir .\build
+cd build
+cmake -DBUILD_MODE=Engine ..
+cmake --build . --config Release
+cd ..
+mkdir ".\build\bin\include"
+robocopy ".\Core" ".\build\bin\include\Core" *.h *.hpp /S
+robocopy ".\Delegate" ".\build\bin\include\Delegate" *.h *.hpp /S
+robocopy ".\FastRTTI" ".\build\bin\include\FastRTTI" *.h *.hpp /S
+pause
\ No newline at end of file
diff --git a/build_tests.bat b/build_tests.bat
new file mode 100644
index 0000000..bef0c34
--- /dev/null
+++ b/build_tests.bat
@@ -0,0 +1,5 @@
+@echo off
+mkdir build
+cd build
+cmake -DBUILD_MODE=Tests ..
+cmake --build . --config Release
diff --git a/configurate Win32.bat b/configurate Win32.bat
index ff63dcc..4a49a47 100644
--- a/configurate Win32.bat	
+++ b/configurate Win32.bat	
@@ -1,5 +1,5 @@
 @echo off
 mkdir build
 cd build
-cmake .. -A Win32
+cmake -DBUILD_MODE=All .. -A Win32
 pause
\ No newline at end of file
diff --git a/configurate Win64.bat b/configurate Win64.bat
index 2a1279f..08a7e36 100644
--- a/configurate Win64.bat	
+++ b/configurate Win64.bat	
@@ -1,5 +1,5 @@
 @echo off
 mkdir build
 cd build
-cmake .. -A x64
+cmake -DBUILD_MODE=All .. -A x64
 pause
\ No newline at end of file