diff --git a/CMakeLists.txt b/CMakeLists.txt
index ccd8dd5..89efb40 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ include(ExternalProject)
 
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
-set(CMAKE_HOST_CXX_COMPILER "g++" CACHE STRING "Host Compiler")
+set(CMAKE_HOST_CXX_COMPILER ${CMAKE_CXX_COMPILER} CACHE STRING "Host Compiler")
 set(WINDOWS_FTD3XX_USE_SHARED_LIB 0)
 set(FETCHCONTENT_QUIET FALSE)
 set(EXTRA_LINUX_CXX_FLAGS "-DXLIB_BASED 1" CACHE STRING "Extra Linux CXX flags")
@@ -36,7 +36,7 @@ if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
         set(WINDOWS_PATH_SPECIFIER Static_Lib)
         set(FTD3XX_LIB FTD3XX.lib)
     endif()
-    if(WIN32)
+    if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
         set(PATH_WINDOWS_ARCH Win32)
     else ()
         set(PATH_WINDOWS_ARCH x64)
diff --git a/tools/bin2c.cpp b/tools/bin2c.cpp
index c466f9a..31144c3 100644
--- a/tools/bin2c.cpp
+++ b/tools/bin2c.cpp
@@ -2,7 +2,6 @@
 #include <fstream>
 #include <vector>
 #include <string>
-#include <filesystem>
 
 using namespace std;
 
@@ -29,7 +28,7 @@ int main(int argc, char *argv[]) {
 	string name_len_array = base_array_name + "_len";
 	int len = buffer.size();
 
-	ofstream output(output_folder + filesystem::path::preferred_separator + output_base_filename + ".cpp", ios::out);
+	ofstream output(output_folder + "/" + output_base_filename + ".cpp", ios::out);
 	if(!output) {
 		cout << "Couldn't open output cpp file!" << endl;
 		return -2;
@@ -58,7 +57,7 @@ int main(int argc, char *argv[]) {
 
 	output.close();
 
-	ofstream output2(output_folder + filesystem::path::preferred_separator + output_base_filename + ".h", ios::out);
+	ofstream output2(output_folder + "/" + output_base_filename + ".h", ios::out);
 	if(!output2) {
 		cout << "Couldn't open output h file!" << endl;
 		return -3;
diff --git a/windows_setup_ftd3xx.bat b/windows_setup_ftd3xx.bat
index 7c52ae3..4da41ac 100755
--- a/windows_setup_ftd3xx.bat
+++ b/windows_setup_ftd3xx.bat
@@ -1,2 +1,8 @@
-cp %1/%3 %2
-cp %1/FTD3XX.h %2
+set "a=%~1"
+set "b=%~2"
+set "c=%~3"
+set "a=%a:/=\%"
+set "b=%b:/=\%"
+set "c=%c:/=\%"
+copy %a%\%c% %b%\
+copy %a%\FTD3XX.h %b%\