diff --git a/CMakeLists.txt b/CMakeLists.txt
index 660ce6f9..c731fd5c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -163,6 +163,7 @@ endif()
       -DPROJECT_REQUIRE_ALPINE=${PROJECT_REQUIRE_ALPINE}
       -DPROJECT_REVISION_VERSION=${PROJECT_REVISION_VERSION}
       -DPROJECT_STATIC_LINK=${PROJECT_STATIC_LINK}
+      -DPROJECT_SUPPORT_DIR=${PROJECT_SUPPORT_DIR}
       -DPROJECT_TOOLCHAIN_FILE_CMAKE=${PROJECT_TOOLCHAIN_FILE_CMAKE}
       -DPROJECT_TOOLCHAIN_FILE_MESON=${PROJECT_TOOLCHAIN_FILE_MESON}
       -DPROJECT_URL=${PROJECT_URL}
diff --git a/cmake/functions.cmake b/cmake/functions.cmake
index a62dac0a..0db385c9 100644
--- a/cmake/functions.cmake
+++ b/cmake/functions.cmake
@@ -105,7 +105,7 @@ function(add_project_test_executable name dependencies libraries)
     enable_testing()
 
     file(GLOB_RECURSE headers
-      ${PROJECT_3RD_PARTY_DIR}/test/include/*.hpp
+      ${PROJECT_SUPPORT_DIR}/test/include/*.hpp
       ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/${name}/include/*.h
       ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/${name}/include/*.hh
       ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/${name}/include/${name}/include/*.hpp
@@ -113,7 +113,7 @@ function(add_project_test_executable name dependencies libraries)
     )
 
     file(GLOB_RECURSE sources
-      ${PROJECT_3RD_PARTY_DIR}/test/src/*.cpp
+      ${PROJECT_SUPPORT_DIR}/test/src/*.cpp
       ${additional_sources}
       ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/${name}/src/*.c
       ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}/${name}/src/*.cc
@@ -130,7 +130,7 @@ function(add_project_test_executable name dependencies libraries)
     )
 
     target_include_directories(${name} AFTER PRIVATE
-      ${PROJECT_3RD_PARTY_DIR}/test/include
+      ${PROJECT_SUPPORT_DIR}/test/include
     )
 
     target_link_libraries(${name} PRIVATE
diff --git a/cmake/settings.cmake b/cmake/settings.cmake
index f233f413..8a0898b8 100644
--- a/cmake/settings.cmake
+++ b/cmake/settings.cmake
@@ -41,7 +41,7 @@ if(PROJECT_IS_MINGW)
 endif()
 
 include_directories(BEFORE SYSTEM
-  ${PROJECT_3RD_PARTY_DIR}/include
+  ${PROJECT_SUPPORT_DIR}/include
   ${PROJECT_EXTERNAL_BUILD_ROOT}/include
 )
 
diff --git a/scripts/env.sh b/scripts/env.sh
index 9466c4f4..a312cd75 100755
--- a/scripts/env.sh
+++ b/scripts/env.sh
@@ -193,7 +193,8 @@ fi
 PROJECT_DIST_DIR=${PROJECT_DIST_DIR}/${PROJECT_NAME}
 
 PROJECT_EXTERNAL_BUILD_ROOT=${PROJECT_BUILD_DIR}/deps
-PROJECT_3RD_PARTY_DIR=${PROJECT_SOURCE_DIR}/support/3rd_party
+PROJECT_SUPPORT_DIR=${PROJECT_SOURCE_DIR}/support
+PROJECT_3RD_PARTY_DIR=${PROJECT_SUPPORT_DIR}/3rd_party
 
 if [ "${PROJECT_ENABLE_OPENSSL}" == "ON" ]; then
   if [ "${PROJECT_IS_MINGW}" == "1" ] && [ "${PROJECT_IS_MINGW_UNIX}" == "1" ]; then
@@ -237,6 +238,7 @@ PROJECT_CMAKE_OPTS="-DPROJECT_RELEASE_NUM=${PROJECT_RELEASE_NUM} ${PROJECT_CMAKE
 PROJECT_CMAKE_OPTS="-DPROJECT_REQUIRE_ALPINE=${PROJECT_REQUIRE_ALPINE} ${PROJECT_CMAKE_OPTS}"
 PROJECT_CMAKE_OPTS="-DPROJECT_REVISION_VERSION=${PROJECT_REVISION_VERSION} ${PROJECT_CMAKE_OPTS}"
 PROJECT_CMAKE_OPTS="-DPROJECT_STATIC_LINK=${PROJECT_STATIC_LINK} ${PROJECT_CMAKE_OPTS}"
+PROJECT_CMAKE_OPTS="-DPROJECT_SUPPORT_DIR=${PROJECT_SUPPORT_DIR} ${PROJECT_CMAKE_OPTS}"
 PROJECT_CMAKE_OPTS="-DPROJECT_TOOLCHAIN_FILE_CMAKE=${PROJECT_TOOLCHAIN_FILE_CMAKE} ${PROJECT_CMAKE_OPTS}"
 PROJECT_CMAKE_OPTS="-DPROJECT_TOOLCHAIN_FILE_MESON=${PROJECT_TOOLCHAIN_FILE_MESON} ${PROJECT_CMAKE_OPTS}"
 
@@ -310,6 +312,7 @@ export PROJECT_REQUIRE_ALPINE
 export PROJECT_REVISION_VERSION
 export PROJECT_SOURCE_DIR
 export PROJECT_STATIC_LINK
+export PROJECT_SUPPORT_DIR
 export PROJECT_TOOLCHAIN_FILE_CMAKE
 export PROJECT_TOOLCHAIN_FILE_MESON
 export PROJECT_URL
@@ -354,6 +357,7 @@ echo "  PATH: ${PATH}"
 echo "  PKG_CONFIG_PATH: ${PKG_CONFIG_PATH}"
 echo "  Require Alpine: ${PROJECT_REQUIRE_ALPINE}"
 echo "  Static link: ${PROJECT_STATIC_LINK}"
+echo "  Support dir: ${PROJECT_SUPPORT_DIR}"
 echo "  Third-party dir: ${PROJECT_3RD_PARTY_DIR}"
 echo "  Unit testing enabled: ${PROJECT_ENABLE_TESTING}"
 echo "  URL: ${PROJECT_URL}"
diff --git a/scripts/options.sh b/scripts/options.sh
index cb82506b..d88aba19 100755
--- a/scripts/options.sh
+++ b/scripts/options.sh
@@ -19,16 +19,16 @@ PROJECT_LIBRARIES=(
 
 declare -A PROJECT_CLEANUP
 PROJECT_CLEANUP[BACKWARD_CPP]="include/backward.hpp:src/backward.cpp"
-PROJECT_CLEANUP[BOOST]="boost_*"
-PROJECT_CLEANUP[CPP_HTTPLIB]="cpp-httplib-*"
-PROJECT_CLEANUP[CURL]="curl-*"
-PROJECT_CLEANUP[JSON]="json-*"
-PROJECT_CLEANUP[LIBBITCOIN_SYSTEM_ON]="boost_1_85_*"
-PROJECT_CLEANUP[LIBSODIUM]="libsodium*"
-PROJECT_CLEANUP[OPENSSL]="openssl-*"
-PROJECT_CLEANUP[PUGIXML]="pugixml-*"
-PROJECT_CLEANUP[SPDLOG]="spdlog-*"
-PROJECT_CLEANUP[SQLITE]="sqlite*"
-PROJECT_CLEANUP[STDUUID]="stduuid-*"
-PROJECT_CLEANUP[TESTING]="googletest-*"
-PROJECT_CLEANUP[WINFSP]="winfsp-*"
+PROJECT_CLEANUP[BOOST]="3rd_party/boost_*"
+PROJECT_CLEANUP[CPP_HTTPLIB]="3rd_party/cpp-httplib-*"
+PROJECT_CLEANUP[CURL]="3rd_party/curl-*"
+PROJECT_CLEANUP[JSON]="3rd_party/json-*"
+PROJECT_CLEANUP[LIBBITCOIN_SYSTEM_ON]="3rd_party/boost_1_85_*"
+PROJECT_CLEANUP[LIBSODIUM]="3rd_party/libsodium*"
+PROJECT_CLEANUP[OPENSSL]="3rd_party/openssl-*"
+PROJECT_CLEANUP[PUGIXML]="3rd_party/pugixml-*"
+PROJECT_CLEANUP[SPDLOG]="3rd_party/spdlog-*"
+PROJECT_CLEANUP[SQLITE]="3rd_party/sqlite*"
+PROJECT_CLEANUP[STDUUID]="3rd_party/stduuid-*"
+PROJECT_CLEANUP[TESTING]="3rd_party/googletest-*"
+PROJECT_CLEANUP[WINFSP]="3rd_party/winfsp-*"
diff --git a/support/3rd_party/include/backward.hpp b/support/include/backward.hpp
similarity index 100%
rename from support/3rd_party/include/backward.hpp
rename to support/include/backward.hpp
diff --git a/support/3rd_party/include/utils/all.hpp b/support/include/utils/all.hpp
similarity index 100%
rename from support/3rd_party/include/utils/all.hpp
rename to support/include/utils/all.hpp
diff --git a/support/3rd_party/include/utils/base64.hpp b/support/include/utils/base64.hpp
similarity index 100%
rename from support/3rd_party/include/utils/base64.hpp
rename to support/include/utils/base64.hpp
diff --git a/support/3rd_party/include/utils/collection.hpp b/support/include/utils/collection.hpp
similarity index 100%
rename from support/3rd_party/include/utils/collection.hpp
rename to support/include/utils/collection.hpp
diff --git a/support/3rd_party/include/utils/com_init_wrapper.hpp b/support/include/utils/com_init_wrapper.hpp
similarity index 100%
rename from support/3rd_party/include/utils/com_init_wrapper.hpp
rename to support/include/utils/com_init_wrapper.hpp
diff --git a/support/3rd_party/include/utils/common.hpp b/support/include/utils/common.hpp
similarity index 100%
rename from support/3rd_party/include/utils/common.hpp
rename to support/include/utils/common.hpp
diff --git a/support/3rd_party/include/utils/config.hpp b/support/include/utils/config.hpp
similarity index 100%
rename from support/3rd_party/include/utils/config.hpp
rename to support/include/utils/config.hpp
diff --git a/support/3rd_party/include/utils/encryption.hpp b/support/include/utils/encryption.hpp
similarity index 100%
rename from support/3rd_party/include/utils/encryption.hpp
rename to support/include/utils/encryption.hpp
diff --git a/support/3rd_party/include/utils/error.hpp b/support/include/utils/error.hpp
similarity index 100%
rename from support/3rd_party/include/utils/error.hpp
rename to support/include/utils/error.hpp
diff --git a/support/3rd_party/include/utils/file.hpp b/support/include/utils/file.hpp
similarity index 100%
rename from support/3rd_party/include/utils/file.hpp
rename to support/include/utils/file.hpp
diff --git a/support/3rd_party/include/utils/path.hpp b/support/include/utils/path.hpp
similarity index 100%
rename from support/3rd_party/include/utils/path.hpp
rename to support/include/utils/path.hpp
diff --git a/support/3rd_party/include/utils/string.hpp b/support/include/utils/string.hpp
similarity index 100%
rename from support/3rd_party/include/utils/string.hpp
rename to support/include/utils/string.hpp
diff --git a/support/3rd_party/include/utils/time.hpp b/support/include/utils/time.hpp
similarity index 100%
rename from support/3rd_party/include/utils/time.hpp
rename to support/include/utils/time.hpp
diff --git a/support/3rd_party/include/utils/unix.hpp b/support/include/utils/unix.hpp
similarity index 100%
rename from support/3rd_party/include/utils/unix.hpp
rename to support/include/utils/unix.hpp
diff --git a/support/3rd_party/include/utils/windows.hpp b/support/include/utils/windows.hpp
similarity index 100%
rename from support/3rd_party/include/utils/windows.hpp
rename to support/include/utils/windows.hpp
diff --git a/support/3rd_party/src/backward.cpp b/support/src/backward.cpp
similarity index 100%
rename from support/3rd_party/src/backward.cpp
rename to support/src/backward.cpp
diff --git a/support/3rd_party/src/utils/common.cpp b/support/src/utils/common.cpp
similarity index 100%
rename from support/3rd_party/src/utils/common.cpp
rename to support/src/utils/common.cpp
diff --git a/support/3rd_party/src/utils/encryption.cpp b/support/src/utils/encryption.cpp
similarity index 100%
rename from support/3rd_party/src/utils/encryption.cpp
rename to support/src/utils/encryption.cpp
diff --git a/support/3rd_party/src/utils/error.cpp b/support/src/utils/error.cpp
similarity index 100%
rename from support/3rd_party/src/utils/error.cpp
rename to support/src/utils/error.cpp
diff --git a/support/3rd_party/src/utils/file.cpp b/support/src/utils/file.cpp
similarity index 98%
rename from support/3rd_party/src/utils/file.cpp
rename to support/src/utils/file.cpp
index c5b74af2..fc28ca3f 100644
--- a/support/3rd_party/src/utils/file.cpp
+++ b/support/src/utils/file.cpp
@@ -215,7 +215,7 @@ auto is_directory(std::string_view path) -> bool {
   auto abs_path = utils::path::absolute(path);
 
 #if defined(_WIN32)
-  return ::PathIsDirectory(abs_path.c_str()) != 0;
+  return ::PathIsDirectoryA(abs_path.c_str()) != 0;
 #else  // !defined(_WIN32)
   struct stat st {};
   return (stat(abs_path.c_str(), &st) == 0 && S_ISDIR(st.st_mode));
@@ -230,8 +230,8 @@ auto is_file(std::string_view path) -> bool {
   auto abs_path = utils::path::absolute(path);
 
 #if defined(_WIN32)
-  return (::PathFileExists(abs_path.c_str()) &&
-          not ::PathIsDirectory(abs_path.c_str()));
+  return (::PathFileExistsA(abs_path.c_str()) &&
+          not ::PathIsDirectoryA(abs_path.c_str()));
 #else  // !defined(_WIN32)
   struct stat st {};
   return (stat(abs_path.c_str(), &st) == 0 && not S_ISDIR(st.st_mode));
diff --git a/support/3rd_party/src/utils/path.cpp b/support/src/utils/path.cpp
similarity index 98%
rename from support/3rd_party/src/utils/path.cpp
rename to support/src/utils/path.cpp
index 5f7e758a..f5d56787 100644
--- a/support/3rd_party/src/utils/path.cpp
+++ b/support/src/utils/path.cpp
@@ -69,7 +69,7 @@ namespace repertory::utils::path {
 auto absolute(std::string_view path) -> std::string {
   std::string abs_path{path};
 #if defined(_WIN32)
-  if (not abs_path.empty() && ::PathIsRelative(abs_path.c_str())) {
+  if (not abs_path.empty() && ::PathIsRelativeA(abs_path.c_str())) {
     std::string temp;
     temp.resize(MAX_PATH + 1);
     abs_path = _fullpath(temp.data(), abs_path.c_str(), MAX_PATH);
@@ -200,7 +200,7 @@ auto remove_file_name(std::string_view path) -> std::string {
   auto abs_path = absolute(path);
 
 #if defined(_WIN32)
-  ::PathRemoveFileSpec(abs_path.data());
+  ::PathRemoveFileSpecA(abs_path.data());
   abs_path = abs_path.c_str();
 #else  // !defined(_WIN32)
   if (abs_path != "/") {
@@ -218,7 +218,7 @@ auto remove_file_name(std::string_view path) -> std::string {
 
 auto strip_to_file_name(std::string path) -> std::string {
 #if defined(_WIN32)
-  return ::PathFindFileName(path.c_str());
+  return ::PathFindFileNameA(path.c_str());
 #else  // !defined(_WIN32)
   return utils::string::contains(path, "/") ? basename(path.data()) : path;
 #endif // defined(_WIN32)
diff --git a/support/3rd_party/src/utils/string.cpp b/support/src/utils/string.cpp
similarity index 100%
rename from support/3rd_party/src/utils/string.cpp
rename to support/src/utils/string.cpp
diff --git a/support/3rd_party/src/utils/time.cpp b/support/src/utils/time.cpp
similarity index 100%
rename from support/3rd_party/src/utils/time.cpp
rename to support/src/utils/time.cpp
diff --git a/support/3rd_party/src/utils/unix.cpp b/support/src/utils/unix.cpp
similarity index 100%
rename from support/3rd_party/src/utils/unix.cpp
rename to support/src/utils/unix.cpp
diff --git a/support/3rd_party/src/utils/windows.cpp b/support/src/utils/windows.cpp
similarity index 96%
rename from support/3rd_party/src/utils/windows.cpp
rename to support/src/utils/windows.cpp
index 5e745499..3b19af33 100644
--- a/support/3rd_party/src/utils/windows.cpp
+++ b/support/src/utils/windows.cpp
@@ -78,8 +78,8 @@ auto run_process_elevated(std::vector<const char *> args) -> int {
   std::string full_path;
   full_path.resize(MAX_PATH + 1);
 
-  if (::GetModuleFileName(nullptr, full_path.data(), MAX_PATH)) {
-    SHELLEXECUTEINFO sei{};
+  if (::GetModuleFileNameA(nullptr, full_path.data(), MAX_PATH)) {
+    SHELLEXECUTEINFOA sei{};
     sei.fMask = SEE_MASK_NOCLOSEPROCESS;
     sei.cbSize = sizeof(sei);
     sei.lpVerb = "runas";
@@ -87,7 +87,7 @@ auto run_process_elevated(std::vector<const char *> args) -> int {
     sei.lpParameters = parameters.c_str();
     sei.hwnd = nullptr;
     sei.nShow = SW_NORMAL;
-    if (::ShellExecuteEx(&sei)) {
+    if (::ShellExecuteExA(&sei)) {
       ::WaitForSingleObject(sei.hProcess, INFINITE);
       DWORD exit_code{};
       ::GetExitCodeProcess(sei.hProcess, &exit_code);
diff --git a/support/3rd_party/test/src/utils/common_test.cpp b/support/test/src/utils/common_test.cpp
similarity index 100%
rename from support/3rd_party/test/src/utils/common_test.cpp
rename to support/test/src/utils/common_test.cpp
diff --git a/support/3rd_party/test/src/utils/encryption_test.cpp b/support/test/src/utils/encryption_test.cpp
similarity index 100%
rename from support/3rd_party/test/src/utils/encryption_test.cpp
rename to support/test/src/utils/encryption_test.cpp
diff --git a/support/3rd_party/test/src/utils/path_test.cpp b/support/test/src/utils/path_test.cpp
similarity index 100%
rename from support/3rd_party/test/src/utils/path_test.cpp
rename to support/test/src/utils/path_test.cpp
diff --git a/support/3rd_party/test/src/utils/string_test.cpp b/support/test/src/utils/string_test.cpp
similarity index 100%
rename from support/3rd_party/test/src/utils/string_test.cpp
rename to support/test/src/utils/string_test.cpp