diff --git a/README.md b/README.md
index d3abca8..c89f7b1 100644
--- a/README.md
+++ b/README.md
@@ -14,12 +14,12 @@ This is done step by step as,\
 ### Steps to try:
 - [Compiling target.dll](#CompilingDll)
    > g++ -shared -o target.dll target.cpp -Wl,--out-implib,libtdll.a
-- [Create shellcode](#usage)
-   > python shellcode.py
+- [Create shellcode](#CreateShellcode)
+   > python shellcode.py (This step will create shellcode.bin which is shellcode+target.dll)
 - [Compiling loader.exe](#CompilingExe)
    > g++ loader.c -o loader.exe
-- [Running loader.exe](#CRunningExe)
-   > loader.exe
+- [Running loader.exe](#RunningExe)
+   > loader.exe shellcode.bin
 
 
 ## Usage
diff --git a/loader.c b/loader.c
index d7e6b03..0d285b3 100644
--- a/loader.c
+++ b/loader.c
@@ -3,16 +3,19 @@
 #include <stdio.h>
 #include <string.h>
 
-int main()
+int main(int argc, char* argv[])
 {
     DWORD bytesRead;
-    const TCHAR* filePath;
+    const char* filePath;
     BOOL fileReadSuccess, filePermChangeSuccess, processCreateSuccess;
-    //scanf("Enter the shellcode(shellcode+dll) binary file path: %d", filePath);
-    filePath = _T("shellcode.bin");
+    if(argc < 2)
+    {
+        printf("Shellcode file name is required. Usage: loader.exe <shellcode_file>\n");
+        return 0;
+    }
+    filePath = argv[1];
 
     printf("Loader started!\n");
-    printf("Shellcode path: %s\n", filePath);
 
     HANDLE hFile = CreateFile(filePath, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
     DWORD fileSize = GetFileSize(hFile, NULL);
diff --git a/loader.exe b/loader.exe
index 21c6b5c..cae4898 100644
Binary files a/loader.exe and b/loader.exe differ