diff --git a/install.sh b/install.sh
index 8643df3..2bf8ec4 100644
--- a/install.sh
+++ b/install.sh
@@ -39,32 +39,72 @@ ask_envs() {
 		VPN_PROXY="no";
 	else
 		VPN_PROXY="yes";
-		echo "Please add a valid vpn hash key:";
-		while read -r VPN_HASH; do
-        	        if [ "$VPN_HASH" != "" ]; then
-				$SUDO_CMD mkdir -p /etc/user/secret/vpn-proxy;
-				echo $VPN_HASH | base64 -d > /tmp/wg0.conf;
-				$SUDO_CMD mv /tmp/wg0.conf /etc/user/secret/vpn-proxy/;
-        	                break;
-        	        fi;
-		done
 
-		echo "Please add the letsencrypt mail address:";
-		while read -r LETSENCRYPT_MAIL; do
-			if [ "$LETSENCRYPT_MAIL" != "" ]; then
-				if [ "$(echo "$LETSENCRYPT_MAIL" | grep '@')" != "" ]; then
-					if [ "$(echo "$LETSENCRYPT_MAIL" | grep '\.')" != "" ]; then
-						break;
+		while true; do
+
+			echo "Please add domain url to download the VPN hash from (default: https://demo.format.hu): ";
+			read -r VPN_DOMAIN;
+			if [ "$VPN_DOMAIN" == "" ]; then
+				VPN_DOMAIN="https://demo.format.hu";
+			fi;
+
+			VPN_KEY="";
+			echo "Please type in the generated VPN passkey (8 digits):";
+			while read -r VPN_PASS; do
+				if [ "$VPN_PASS" != "" ]; then
+					dateFromServer=$(curl -v --silent https://demo.format.hu/ 2>&1 | grep -i '< date' | sed -e 's/< date: //gi')
+					VPN_DATE=$(date +"%Y%m%d" -d "$dateFromServer");
+					VPN_HASH=$(echo -n $(( $VPN_PASS * $VPN_DATE )));
+					VPN_URL="$VPN_DOMAIN/$VPN_HASH";
+					echo "DEBUG: $VPN_URL";
+					HTTP_CODE=$(curl -s -I -w "%{http_code}" $VPN_URL -o /dev/null);
+					break;
+				fi;
+			done
+
+			echo "DEBUG: $HTTP_CODE";
+			if [ "$HTTP_CODE" == "200" ]; then
+				# download VPN key
+				VPN_KEY=$(curl -s $VPN_URL);
+				echo $VPN_KEY;
+
+				$SUDO_CMD mkdir -p /etc/user/secret/vpn-proxy;
+				echo $VPN_KEY | base64 -d > /tmp/wg0.conf;
+				$SUDO_CMD mv /tmp/wg0.conf /etc/user/secret/vpn-proxy/;
+				break;
+			else
+				echo "Download of VPN KEY was unsuccessful from URL: $VPN_URL";
+
+				echo "Do you want to retry? (Y/n)";
+				read -r VPN_RETRY;
+				if [ "$VPN_RETRY" == "n" ] || [ "$VPN_RETRY" == "N" ]; then
+					VPN_PROXY="no";
+					break;
+				fi
+			fi;
+
+		done;
+
+		echo "VPN proxy was skipped.";
+
+		if [ "$VPN_PROXY" == "yes" ]; then
+			echo "Please add the letsencrypt mail address:";
+			while read -r LETSENCRYPT_MAIL; do
+				if [ "$LETSENCRYPT_MAIL" != "" ]; then
+					if [ "$(echo "$LETSENCRYPT_MAIL" | grep '@')" != "" ]; then
+						if [ "$(echo "$LETSENCRYPT_MAIL" | grep '\.')" != "" ]; then
+							break;
+						fi;
 					fi;
 				fi;
-			fi;
-			echo "Invalid email address.";
-		done
+				echo "Invalid email address.";
+			done
 
-		echo "Please add letsencrypt server name (default is letsencrypt but you can add zerossl too):";
-		read -r LETSENCRYPT_SERVERNAME;
-		if [ "$LETSENCRYPT_SERVERNAME" = "" ]; then
-			LETSENCRYPT_SERVERNAME="letsencrypt";
+			echo "Please add letsencrypt server name (default is letsencrypt but you can add zerossl too):";
+			read -r LETSENCRYPT_SERVERNAME;
+			if [ "$LETSENCRYPT_SERVERNAME" = "" ]; then
+				LETSENCRYPT_SERVERNAME="letsencrypt";
+			fi;
 		fi;
 	fi