diff --git a/README.md b/README.md
index a3ec897..6787874 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,13 @@ I had so many challenges in choosing the best DNS sni proxy server that fits my
 
 ## Getting Started
 
-You can use this script with **docker**
+You can use this script with **docker** or run in **baremetal**   
+
+## Baremetal
+Also you can run this script on **baremetal** with **sudo** privilege
+```sh
+wget -c https://raw.githubusercontent.com/ArmanTaheriGhaleTaki/best403unlocker/main/bash.sh && sudo bash bash.sh
+```
 
 ## Docker
 
@@ -27,8 +33,6 @@ or you can use built image uploaded in dockerhub
 wget -c https://raw.githubusercontent.com/ArmanTaheriGhaleTaki/best403unlocker/main/.env && docker run --env-file .env armantaherighaletaki/best403unlocker
 ```
 
-<!-- CONTACT -->
-
 ## Contact
 
 My social media - [@armondy🙄](https://twitter.com/taherighaletaki) - armantahery1381@gmail.com
diff --git a/bash.sh b/bash.sh
index 110deb5..3ca3a7f 100644
--- a/bash.sh
+++ b/bash.sh
@@ -1,4 +1,13 @@
 # Functions
+check_and_source_env() {
+if  [ -z "$dns" ]; then
+    if [ ! -f ./.env ]; then
+            wget -c https://raw.githubusercontent.com/ArmanTaheriGhaleTaki/best403unlocker/main/.env
+    fi
+ source .env
+ fi
+}
+
 function change_dns () {
 
 	echo 'nameserver'  $1> /etc/resolv.conf
@@ -22,6 +31,7 @@ rm /tmp/$1
 
 
 # Execute the functions
+check_and_source_env
 touch database
 cp /etc/resolv.conf /etc/resolv.conf.bakup
 for i in $dns
@@ -35,3 +45,4 @@ echo best dns server is `sort -rn database| head -1| cut -d'/' -f3 | tee -a outp
 echo '*********************'
 rm database
 cat /etc/resolv.conf.bakup > /etc/resolv.conf
+