diff --git a/_tmain.cpp b/_tmain.cpp
index 82b7eeb..9358e89 100644
--- a/_tmain.cpp
+++ b/_tmain.cpp
@@ -1,71 +1,78 @@
-#include <tchar.h>
-#include <stdio.h>
 #include <windows.h>
+#include <fcntl.h>
+#include <io.h>
 #include <locale.h>
+#include <iostream>
+#include <string>
+#include <codecvt>
 #include "WinRarConfig.hpp"
 #include "WinRarKeygen.hpp"
 #include <system_error>
 
+std::string WideToUtf8(const std::wstring& wstr) {
+    if (wstr.empty()) return {};
+    int size = WideCharToMultiByte(CP_UTF8, 0, wstr.data(), (int)wstr.size(), nullptr, 0, nullptr, nullptr);
+    std::string result(size, 0);
+    WideCharToMultiByte(CP_UTF8, 0, wstr.data(), (int)wstr.size(), &result[0], size, nullptr, nullptr);
+    return result;
+}
+
+std::wstring Utf8ToWide(const std::string& str) {
+    if (str.empty()) return {};
+    int size = MultiByteToWideChar(CP_UTF8, 0, str.data(), (int)str.size(), nullptr, 0);
+    std::wstring result(size, 0);
+    MultiByteToWideChar(CP_UTF8, 0, str.data(), (int)str.size(), &result[0], size);
+    return result;
+}
+
 void Help() {
-    _putts(TEXT("Please use the following command:\n"));
-    _putts(TEXT("Usage:"));
-    _putts(TEXT("        winrar-keygen.exe <Username> <License Name>"));
-    _putts(TEXT(""));
-    _putts(TEXT("Example:"));
-    _putts(TEXT("        winrar-keygen.exe \"Github\" \"Single PC usage license\"\n"));
+    std::wcout << L"Please use the following command:\n";
+    std::wcout << L"Usage:\n";
+    std::wcout << L"        winrar-keygen.exe <Username> <License Name>\n\n";
+    std::wcout << L"Example:\n";
+    std::wcout << L"        winrar-keygen.exe \"GitHub\" \"Single PC usage license\"\n";
 }
 
 void PrintRegisterInfo(const WinRarKeygen<WinRarConfig>::RegisterInfo& Info) {
-    _tprintf_s(TEXT("%hs\n"), "RAR registration data");
-    _tprintf_s(TEXT("%hs\n"), Info.UserName.c_str());
-    _tprintf_s(TEXT("%hs\n"), Info.LicenseType.c_str());
-    _tprintf_s(TEXT("UID=%hs\n"), Info.UID.c_str());
-    for (size_t i = 0; i < Info.HexData.length(); i += 54) {
-        _tprintf_s(TEXT("%.54hs\n"), Info.HexData.c_str() + i);
+    std::wstring user = Utf8ToWide(Info.UserName);
+    std::wstring license = Utf8ToWide(Info.LicenseType);
+    std::wstring uid = Utf8ToWide(Info.UID);
+    std::wstring data = Utf8ToWide(Info.HexData);
+
+    std::wcout << L"RAR registration data\n";
+    std::wcout << user << L"\n";
+    std::wcout << license << L"\n";
+    std::wcout << L"UID=" << uid << L"\n";
+
+    for (size_t i = 0; i < data.length(); i += 54) {
+        std::wcout << data.substr(i, 54) << L"\n";
     }
 }
 
-std::string ToACP(PCWSTR lpszUnicodeString) {
-    int len;
-
-    len = WideCharToMultiByte(CP_ACP, 0, lpszUnicodeString, -1, NULL, 0, NULL, NULL);
-    if (len == 0) {
-        auto err = GetLastError();
-        throw std::system_error(err, std::system_category());
+int wmain(int argc, wchar_t* argv[]) {
+    SetConsoleOutputCP(CP_UTF8); // powershell code page set to 65001
+    if (_setmode(_fileno(stdout), _O_U8TEXT) == -1) {
+        std::wcerr << L"Failed to set console to UTF-8 output mode.\n";
     }
-
-    std::string Result(len, '\x00');
-
-    len = WideCharToMultiByte(CP_ACP, 0, lpszUnicodeString, -1, Result.data(), static_cast<int>(Result.length()), NULL, NULL);
-    if (len == 0) {
-        auto err = GetLastError();
-        throw std::system_error(err, std::system_category());
-    }
-
-    while (Result.back() == '\x00') {
-        Result.pop_back();
-    }
-
-    return Result;
-}
-
-int _tmain(int argc, PTSTR argv[]) {
     setlocale(LC_ALL, "");
+
     if (argc == 3) {
         try {
+            std::string user = WideToUtf8(argv[1]);
+            std::string license = WideToUtf8(argv[2]);
+
             PrintRegisterInfo(
-#if defined(_UNICODE) || defined(UNICODE)
-                WinRarKeygen<WinRarConfig>::GenerateRegisterInfo(ToACP(argv[1]).c_str(), ToACP(argv[2]).c_str())
-#else
-                WinRarKeygen<WinRarConfig>::GenerateRegisterInfo(argv[1], argv[2])
-#endif
+                WinRarKeygen<WinRarConfig>::GenerateRegisterInfo(user.c_str(), license.c_str())
             );
-        } catch (std::exception& e) {
-            _tprintf_s(TEXT("%hs\n"), e.what());
+        }
+        catch (std::exception& e) {
+            std::wcerr << L"Error: " << e.what() << L"\n";
             return -1;
         }
-    } else {
+    }
+    else {
         Help();
     }
+
     return 0;
 }
diff --git a/bin/Win32-Release/winrar-keygen.exe b/bin/Win32-Release/winrar-keygen.exe
index 7d0c8fe..cd0a1fc 100644
Binary files a/bin/Win32-Release/winrar-keygen.exe and b/bin/Win32-Release/winrar-keygen.exe differ
diff --git a/bin/x64-Release/winrar-keygen.exe b/bin/x64-Release/winrar-keygen.exe
index 45a628e..5cae8d8 100644
Binary files a/bin/x64-Release/winrar-keygen.exe and b/bin/x64-Release/winrar-keygen.exe differ
diff --git a/winrar-keygen.aps b/winrar-keygen.aps
index cce83fa..54fd58a 100644
Binary files a/winrar-keygen.aps and b/winrar-keygen.aps differ
diff --git a/winrar-keygen.rc b/winrar-keygen.rc
index 737bbcd..ba3b4b9 100644
--- a/winrar-keygen.rc
+++ b/winrar-keygen.rc
@@ -51,8 +51,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 3,0,0,0
- PRODUCTVERSION 3,0,0,0
+ FILEVERSION 3,1,0,0
+ PRODUCTVERSION 3,1,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -69,12 +69,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "WinRAR Keygen"
             VALUE "FileDescription", "WinRAR Key Generation Tool"
-            VALUE "FileVersion", "3.0.0.0"
+            VALUE "FileVersion", "3.1.0.0"
             VALUE "InternalName", "winrar-keygen.exe"
-            VALUE "LegalCopyright", "Copyright (C) 2024 MIT License"
+            VALUE "LegalCopyright", "Copyright (C) 2021 Bitcookies"
             VALUE "OriginalFilename", "winrar-keygen.exe"
             VALUE "ProductName", "WinRAR Keygen"
-            VALUE "ProductVersion", "3.0.0.0"
+            VALUE "ProductVersion", "3.1.0.0"
         END
     END
     BLOCK "VarFileInfo"