diff --git a/README.md b/README.md
index dc566d9..3a94fb3 100644
--- a/README.md
+++ b/README.md
@@ -7,18 +7,27 @@ Please see the first example in the samples directory for a concrete use case.
 
 # Installation
 
-The installation assumes that you have mit-kerberos installed on your computer.
+The installation assumes that you have mit-kerberos installed on your computer. If you are on Linux, just do
+```bash
+npm install
+```
+If you are on Windows or Mac OS, please read the corresponding section
+
+## Windows
+
+To compile this library in windows, you need a complete visual studio compile chain, please refer to this [webpage][visual studio].
+If you have a 32 bit OS, please delete binding.gyp and rename _binding32.gyp before install.
 
-IF YOU USE MAC OS X, PLEASE MANUALLY COMPILE MIT KERBEROS, AND MODIFY BINDING.GYP AS EXPLAINED BELOW.
+## Mac OS X
 
 If you encounter troubles with your kerberos version, please compile kerberos using the following instructions.
 
-Your default include directories must contain:
+Your include path must contain:
 krb5.h
 *   *gssapi.h*
 *   *gssapi/gssapi_krb5.h*
 
-Your default library directories must contain:
+Your library path must contain:
 *   *krb5* library
 *   *gssapi_krb5* library
 
@@ -37,8 +46,8 @@ make
 sudo make install
 ```
 
-If kerberos is not installed in one of theses directories (if you have manually
-compiled kerberos in a specific directory for example), please merge the
+If kerberos is not installed in a directory not included in include and/or library path (if you have manually
+compiled kerberos in a specific directory for example), please modify the
 binding.gyp present in the package root folder with the following properties:
 
 ```js
@@ -85,6 +94,4 @@ for more example, see the samples directory
 [MIT Kerberos]: http://web.mit.edu/kerberos/
 [SPNEGO]: http://en.wikipedia.org/wiki/SPNEGO
 [MIT Kerberos Dist]: http://web.mit.edu/kerberos/dist/
-
-
-
+[visual studio]:https://github.com/TooTallNate/node-gyp/wiki/Visual-Studio-2010-Setup
\ No newline at end of file
diff --git a/_binding32.gyp b/_binding32.gyp
new file mode 100644
index 0000000..98db769
--- /dev/null
+++ b/_binding32.gyp
@@ -0,0 +1,43 @@
+{
+  "targets": [
+    {
+      "target_name": "krb5",
+      "cflags!": [ "-fno-exceptions" ],
+      "cflags_cc!": [ "-fno-exceptions" ],
+      "defines" : ["NODEGYP"],
+      "sources": ["src/krb5.cc","src/base64.cc"],
+      "conditions": [
+        [
+          "OS=='mac'",
+          {
+            "libraries": ["-lkrb5", "-lgssapi_krb5"]
+          }
+        ],
+        [
+          "OS=='win'",
+          {
+            "variables": {
+              "KRB_PATH": "/Program Files/MIT/Kerberos"
+            },
+            "include_dirs": ["<(KRB_PATH)/include","<(KRB_PATH)/include/gssapi","src"],
+            "msvs_settings": {
+              "VCCLCompilerTool": {
+                "AdditionalOptions": [ "/MP /EHsc" ]
+              },
+              'VCLinkerTool': {
+                'AdditionalLibraryDirectories': ['/Program Files/Microsoft SDKs/Windows/v7.1/Lib', '<(KRB_PATH)/lib/i386/']
+              }
+            },
+            "libraries": ["-lkrb5_32.lib","-lgssapi32.lib"],
+          }
+        ],
+        [
+          "OS=='linux'",
+          {
+            "libraries": ["-lkrb5", "-lgssapi_krb5"]
+          }
+        ]
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/binding.gyp b/binding.gyp
index eff2c28..a957b5b 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -16,7 +16,19 @@
         [
           "OS=='win'",
           {
-            "libraries": ["-lkrb5.lib", "-lgssapi_krb5.lib"]
+            "variables": {
+              "KRB_PATH": "/Program Files/MIT/Kerberos"
+            },
+            "include_dirs": ["<(KRB_PATH)/include","<(KRB_PATH)/include/gssapi","src"],
+            "msvs_settings": {
+              "VCCLCompilerTool": {
+                "AdditionalOptions": [ "/MP /EHsc" ]
+              },
+              'VCLinkerTool': {
+                'AdditionalLibraryDirectories': ['/Program Files/Microsoft SDKs/Windows/v7.1/Lib/x64', '<(KRB_PATH)/lib/amd64/']
+              }
+            },
+            "libraries": ["-lkrb5_64.lib","-lgssapi64.lib"],
           }
         ],
         [
diff --git a/src/krb5.cc b/src/krb5.cc
index 9467bc2..d351157 100644
--- a/src/krb5.cc
+++ b/src/krb5.cc
@@ -1,5 +1,4 @@
 #include "krb5.h"
-#include <sys/stat.h>
 
 static gss_OID_desc _gss_mech_spnego = {6, (void*)"\x2b\x06\x01\x05\x05\x02"}; //Spnego OID: 1.3.6.1.5.5.2
 static const gss_OID GSS_MECH_SPNEGO= &_gss_mech_spnego; //gss_OID == gss_OID_desc*
@@ -79,7 +78,7 @@ krb5_error_code Krb5::cleanup(int level) {
 }
 
 Krb5::~Krb5() {
-  this->cleanup(NO_ERROR);
+  this->cleanup(0);
 }
 
 const char* Krb5::get_error_message(){
@@ -94,7 +93,7 @@ krb5_error_code Krb5::get_credentials_by_keytab(const char* keytabName) {
       int len = strlen(keytabName);
       if(len) {
         strcpy(kt,"FILE:");
-        strcat(kt,realpath(keytabName,NULL));
+        strcat(kt,keytabName);
         this->err = krb5_kt_resolve(this->context, kt, &keytab);
       }
       else {
@@ -128,7 +127,7 @@ krb5_error_code Krb5::get_credentials_by_keytab(const char* keytabName) {
 }
 
 
-krb5_error_code Krb5::get_credentials_by_password(const char* password) {
+krb5_error_code Krb5::get_credentials_by_password(char* password) {
   if(!this->err){
     this->err = krb5_get_init_creds_password(this->context,this->cred,this->client_principal,password, NULL, NULL, 0, NULL, NULL);
     if(this->err) {
diff --git a/src/krb5.h b/src/krb5.h
index 74c4f9c..8d137ec 100644
--- a/src/krb5.h
+++ b/src/krb5.h
@@ -20,9 +20,6 @@
 //local libs
 #include "base64.h"
 
-
-#define NO_ERROR 0
-
 #ifdef NODEGYP
 using namespace v8;
 
@@ -48,7 +45,7 @@ class Krb5 {
   krb5_error_code destroy(const char* name=NULL);
   virtual ~Krb5();
   krb5_error_code get_credentials_by_keytab(const char* keytab=NULL);
-  krb5_error_code get_credentials_by_password(const char* principal);
+  krb5_error_code get_credentials_by_password(char* password);
   OM_uint32 generate_spnego_token(const char* server);
   const char* get_error_message();