diff --git a/HMCLauncher/.gitignore b/HMCLauncher/.gitignore
index df5a7f68f..3b5cac370 100644
--- a/HMCLauncher/.gitignore
+++ b/HMCLauncher/.gitignore
@@ -1,4 +1,5 @@
 Debug
 Release
 .vs
-*.APS
\ No newline at end of file
+*.APS
+cmake-build-*/
diff --git a/HMCLauncher/CMakeLists.txt b/HMCLauncher/CMakeLists.txt
new file mode 100644
index 000000000..c7afc7f3b
--- /dev/null
+++ b/HMCLauncher/CMakeLists.txt
@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.25)
+project(HMCLauncher)
+if(MSVC)
+    add_compile_options(/utf-8 /D_UNICODE /W4)
+    add_link_options(/ENTRY:wWinMainCRTStartup)
+else()
+    add_compile_options(-municode -Wall -Wextra -Wpedantic)
+    add_link_options(-municode)
+endif()
+OPTION(ENABLE_MINGW_STATIC_LINK_LIBSTDCXX "Link the C++ standard library statically to the executable file(mingw only)." ON)
+if(ENABLE_MINGW_STATIC_LINK_LIBSTDCXX AND MINGW)
+    add_link_options(-static)
+endif()
+set(CMAKE_WIN32_EXECUTABLE ON)
+add_executable(HMCLauncher WIN32 HMCL/HMCL.rc HMCL/java.cpp HMCL/main.cpp HMCL/os.cpp HMCL/stdafx.cpp HMCL/Version.cpp)
+target_link_libraries(HMCLauncher Version)
+install(TARGETS HMCLauncher)
\ No newline at end of file
diff --git a/HMCLauncher/HMCL/main.cpp b/HMCLauncher/HMCL/main.cpp
index 0d589c168..78bdc48f4 100644
--- a/HMCLauncher/HMCL/main.cpp
+++ b/HMCLauncher/HMCL/main.cpp
@@ -8,8 +8,8 @@
 Version J8(TEXT("8"));
 
 extern "C" {
-_declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
-_declspec(dllexport) DWORD AmdPowerXpressRequestHighPerformance = 0x00000001;
+__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
+__declspec(dllexport) DWORD AmdPowerXpressRequestHighPerformance = 0x00000001;
 }
 
 LPCWSTR VENDOR_DIRS[] = {