diff --git a/OneClickDesktop.sh b/OneClickDesktop.sh
new file mode 100644
index 0000000..90d559c
--- /dev/null
+++ b/OneClickDesktop.sh
@@ -0,0 +1,402 @@
+#!/bin/bash
+####################################################################
+#    One-click Desktop & Browser Access Setup v0.0.1               #
+#    Written by shc (https://qing.su)                              #
+#    Github link: https://github.com/Har-Kuun/OneClickDesktop      #
+#    Contact me: https://t.me/hsun94   E-mail: hi@qing.su          #
+#                                                                  #
+#    This script is distributed in the hope that it will be        #
+#    useful, but ABSOLUTELY WITHOUT ANY WARRANTY.                  #
+#                                                                  #
+#    Thank you for using this script.                              #
+####################################################################
+
+
+#You can change the Guacamole source file download link here.
+#Check https://guacamole.apache.org/releases/ for the latest stable version.
+
+GUACAMOLE_DOWNLOAD_LINK="https://mirrors.ocf.berkeley.edu/apache/guacamole/1.2.0/source/guacamole-server-1.2.0.tar.gz"
+GUACAMOLE_VERSION="1.2.0"
+
+
+#By default, this script only works on Ubuntu 18/20 and Debian 9/10.
+#You can disable the OS check switch below and tweak the code yourself to try to install it in other OS versions.
+#Please do note that if you choose to use this script on OS other than Ubuntu 18/20 or Debian 9/10, you might mess up your OS.  Please keep a backup of your server before installation.
+
+OS_CHECK_ENABLED=ON
+
+
+
+
+#########################################################################
+#    Functions start here.                                              #
+#    Do not change anything below unless you know what you are doing.   #
+#########################################################################
+
+function check_OS
+{
+	if [ -f /etc/lsb-release ]
+	then
+		cat /etc/lsb-release | grep "DISTRIB_RELEASE=18." >/dev/null
+		if [ $? = 0 ]
+		then
+			OS=UBUNTU18
+		else
+			cat /etc/lsb-release | grep "DISTRIB_RELEASE=20." >/dev/null
+			if [ $? = 0 ]
+			then
+				OS=UBUNTU20
+			else
+				say "Sorry, this script only supports Ubuntu 18, 20 and Debian 10." red
+				echo 
+				exit 1
+			fi
+		fi
+	elif [ -f /etc/debian_version ] ; then
+		cat /etc/debian_version | grep "^10." >/dev/null
+		if [ $? = 0 ] ; then
+			OS=DEBIAN10
+		else
+			say "Sorry, this script only supports Ubuntu 18, 20 and Debian 10." red
+			echo 
+			exit 1
+		fi
+	else
+		say "Sorry, this script only supports Ubuntu 18, 20 and Debian 10." red
+		echo 
+		exit 1
+	fi
+}
+
+function say
+{
+#This function is a colored version of the built-in "echo."
+#https://github.com/Har-Kuun/useful-shell-functions/blob/master/colored-echo.sh
+	echo_content=$1
+	case $2 in
+		black | k ) colorf=0 ;;
+		red | r ) colorf=1 ;;
+		green | g ) colorf=2 ;;
+		yellow | y ) colorf=3 ;;
+		blue | b ) colorf=4 ;;
+		magenta | m ) colorf=5 ;;
+		cyan | c ) colorf=6 ;;
+		white | w ) colorf=7 ;;
+		* ) colorf=N ;;
+	esac
+	case $3 in
+		black | k ) colorb=0 ;;
+		red | r ) colorb=1 ;;
+		green | g ) colorb=2 ;;
+		yellow | y ) colorb=3 ;;
+		blue | b ) colorb=4 ;;
+		magenta | m ) colorb=5 ;;
+		cyan | c ) colorb=6 ;;
+		white | w ) colorb=7 ;;
+		* ) colorb=N ;;
+	esac
+	if [ "x${colorf}" != "xN" ] ; then
+		tput setaf $colorf
+	fi
+	if [ "x${colorb}" != "xN" ] ; then
+		tput setab $colorb
+	fi
+	printf "${echo_content}" | sed -e "s/@B/$(tput bold)/g"
+	tput sgr 0
+	printf "\n"
+}
+
+function determine_system_variables
+{
+	CurrentUser="$(id -u -n)"
+	CurrentDir=$(pwd)
+	HomeDir=$HOME
+}
+
+function install_guacamole
+{
+	echo 
+	say @B"Setting up dependencies..." yellow
+	echo 
+	apt-get update && apt-get upgrade -y
+	apt-get install wget curl sudo zip unzip tar perl expect build-essential libcairo2-dev libpng-dev libtool-bin libossp-uuid-dev libvncserver-dev freerdp2-dev libssh2-1-dev libtelnet-dev libwebsockets-dev libpulse-dev libvorbis-dev libwebp-dev libssl-dev libpango1.0-dev libswscale-dev libavcodec-dev libavutil-dev libavformat-dev tomcat9 tomcat9-admin tomcat9-common tomcat9-user -y
+	if [ "$OS" = "DEBIAN10" ] ; then
+		apt-get install libjpeg62-turbo-dev -y
+	else
+		apt-get install libjpeg-turbo8-dev -y
+	fi
+	wget $GUACAMOLE_DOWNLOAD_LINK
+	tar zxf guacamole-server-${GUACAMOLE_VERSION}.tar.gz
+	rm -f guacamole-server-${GUACAMOLE_VERSION}.tar.gz
+	cd $CurrentDir/guacamole-server-$GUACAMOLE_VERSION
+	echo "Start building Guacamole Server from source..."
+	./configure --with-init-dir=/etc/init.d
+	if [ -f $CurrentDir/guacamole-server-$GUACAMOLE_VERSION/config.status ] ; then
+		say @B"Dependencies met!" green
+		say @B"Compiling now..." green
+		echo
+	else
+		echo 
+		say "Missing dependencies." red
+		echo "Please check log, install required dependencies, and run this script again."
+		echo "Please also consider to report your log here https://github.com/Har-Kuun/OneClickDesktop/issues so that I can fix this issue."
+		echo "Thank you!"
+		echo 
+		exit 1
+	fi
+	sleep 2
+	make
+	make install
+	ldconfig
+	echo "Trying to start Guacamole Server for the first time..."
+	echo "This can take a while..."
+	echo 
+	systemctl daemon-reload
+	systemctl start guacd
+	systemctl enable guacd
+	ss -lnpt | grep guacd >/dev/null
+	if [ $? = 0 ] ; then
+		say @B"Guacamole Server successfully installed!" green
+		echo 
+	else 
+		say "Guacamole Server installation failed." red
+		say @B"Please check the above log for reasons." yellow
+		echo "Please also consider to report your log here https://github.com/Har-Kuun/OneClickDesktop/issues so that I can fix this issue."
+		echo "Thank you!"
+		exit 1
+	fi
+}
+
+function install_guacamole_web
+{
+	echo 
+	echo "Start installaing Guacamole Web Application..."
+	cd $CurrentDir
+	wget https://downloads.apache.org/guacamole/$GUACAMOLE_VERSION/binary/guacamole-$GUACAMOLE_VERSION.war
+	mv guacamole-$GUACAMOLE_VERSION.war /var/lib/tomcat9/webapps/guacamole.war
+	systemctl restart tomcat9 guacd
+	echo 
+	say @B"Guacamole Web Application successfully installed!" green
+	echo 
+}
+
+function configure_guacamole
+{
+	echo 
+	say @B"Please input your username:" yellow
+	read guacamole_username
+	echo 
+	say @B"Please input your password:" yellow
+	read guacamole_password_prehash
+	echo 
+	read guacamole_password_md5 <<< $(echo -n $guacamole_password_prehash | md5sum | awk '{print $1}')
+	while [ ${#vnc_password} != 8 ] ; do
+		say @B"Please input your 8-character VNC password:" yellow
+		read vnc_password
+	done
+	echo "Please note that VNC password is NOT needed for browser access."
+	sleep 3
+	echo 
+	mkdir /etc/guacamole/
+	cat > /etc/guacamole/guacamole.properties <<END
+guacd-hostname: localhost
+guacd-port: 4822
+auth-provider: net.sourceforge.guacamole.net.basic.BasicFileAuthenticationProvider
+basic-user-mapping: /etc/guacamole/user-mapping.xml
+END
+	cat > /etc/guacamole/user-mapping.xml <<END
+<user-mapping>
+    <authorize
+         username="$guacamole_username"
+         password="$guacamole_password_md5"
+         encoding="md5">      
+       <connection name="default">
+         <protocol>vnc</protocol>
+         <param name="hostname">localhost</param>
+         <param name="port">5901</param>
+         <param name="password">$vnc_password</param>
+       </connection>
+    </authorize>
+</user-mapping>
+END
+	systemctl restart tomcat9 guacd
+	say @B"Guacamole successfully configured!" green
+	echo 
+}
+
+function install_desktop
+{
+	echo 
+	echo "Starting to install desktop, browser, and VNC server..."
+	say @B"Please note that if you are asked to configure LightDM during this step, simply press Enter." yellow
+	echo 
+	echo "Press Enter to continue."
+	read catch_all
+	echo 
+	if [ "$OS" = "DEBIAN10" ] ; then
+		apt-get install xfce4 xfce4-goodies firefox-esr tigervnc-standalone-server -y
+	else 
+		apt-get install xfce4 xfce4-goodies firefox tigervnc-standalone-server -y
+	fi
+	say @B"Desktop, browser, and VNC server successfully installed." green
+	echo "Starting to configure VNC server..."
+	sleep 2
+	echo 
+	mkdir $HomeDir/.vnc
+	cat > $HomeDir/.vnc/xstartup <<END
+#!/bin/bash
+
+xrdb $HomeDir/.Xresources
+startxfce4 &
+END
+	cat > /etc/systemd/system/vncserver@.service <<END
+[Unit]
+Description=a wrapper to launch an X server for VNC
+After=syslog.target network.target
+
+[Service]
+Type=forking
+User=$CurrentUser
+Group=$CurrentUser
+WorkingDirectory=$HomeDir
+
+ExecStartPre=-/usr/bin/vncserver -kill :%i > /dev/null 2>&1
+ExecStart=/usr/bin/vncserver -depth 24 -geometry 1280x800 -localhost :%i
+ExecStop=/usr/bin/vncserver -kill :%i
+
+[Install]
+WantedBy=multi-user.target
+END
+	vncpassbinpath=/usr/bin/vncpasswd
+	/usr/bin/expect <<END
+spawn "$vncpassbinpath"
+expect "Password:"
+send "$vnc_password\r"
+expect "Verify:"
+send "$vnc_password\r"
+expect "Would you like to enter a view-only password (y/n)?"
+send "n\r"
+expect eof
+exit
+END
+	vncserver
+	sleep 2
+	vncserver -kill :1
+	systemctl start vncserver@1.service
+	systemctl enable vncserver@1.service
+	echo 
+	ss -lnpt | grep vnc > /dev/null
+	if [ $? = 0 ] ; then
+		say @B"VNC and desktop successfully configured!" green
+		echo 
+	else
+		say "VNC installation failed!" red
+		say @B"Please check the above log for reasons." yellow
+		echo "Please also consider to report your log here https://github.com/Har-Kuun/OneClickDesktop/issues so that I can fix this issue."
+		echo "Thank you!"
+		exit 1
+	fi
+}
+
+function display_license
+{
+	echo 
+	echo '*******************************************************************'
+	echo '*       One-click Desktop & Browser Access Setup Script           *'
+	echo '*       Version 0.0.1                                             *'
+	echo '*       Author: shc (Har-Kuun) https://qing.su                    *'
+	echo '*       https://github.com/Har-Kuun/OneClickDesktop               *'
+	echo '*       Thank you for using this script.  E-mail: hi@qing.su      *'
+	echo '*******************************************************************'
+	echo 
+}
+
+function install_reverse_proxy
+{
+	echo 
+	say @B"Setting up Nginx reverse proxy..." yellow
+	sleep 2
+	apt-get install nginx certbot python3-certbot-nginx -y
+	say @B"Nginx successfully installed!" green
+	echo 
+	echo "Please tell me your domain name (e.g., desktop.qing.su):"
+	read guacamole_hostname
+	cat > /etc/nginx/conf.d/guacamole.conf <<END
+server {
+        listen 80;
+        listen [::]:80;
+        server_name $guacamole_hostname;
+
+        access_log  /var/log/nginx/guac_access.log;
+        error_log  /var/log/nginx/guac_error.log;
+
+        location / {
+                    proxy_pass http://127.0.0.1:8080/guacamole/;
+                    proxy_buffering off;
+                    proxy_http_version 1.1;
+                    proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
+                    proxy_set_header Upgrade \$http_upgrade;
+                    proxy_set_header Connection \$http_connection;
+                    proxy_cookie_path /guacamole/ /;
+        }
+
+}
+END
+	systemctl reload nginx
+	echo 
+	echo "Would you like to install a free Let's Encrypt certificate for domain name ${guacamole_hostname}? [Y/N]"
+	say @B"Please point your domain name to this server IP BEFORE continuing!" yellow
+	echo "Type Y if you are sure that your domain is now pointing to this server IP."
+	read confirm_letsencrypt
+	echo 
+	if [ "x$confirm_letsencrypt" = "xY" ] || [ "x$confirm_letsencrypt" = "xy" ] ; then
+		echo "Please input an e-mail address:"
+		read le_email
+		certbot --nginx --agree-tos --redirect --hsts --staple-ocsp --email $le_email -d $guacamole_hostname
+		echo 
+		if [ -f /etc/letsencrypt/live/$guacamole_hostname/fullchain.pem ] ; then
+			say @B"Congratulations! Let's Encrypt SSL certificate installed successfully!" green
+			say @B"You can now access your desktop at https://${guacamole_hostname}!" green
+		else
+			say "Oops! Let's Encrypt SSL certificate installation failed." red
+			say @B"Please manually try \"certbot --nginx --agree-tos --redirect --hsts --staple-ocsp --email $le_email -d $guacamole_hostname\" later." yellow
+			say @B"You can now access your desktop at http://${guacamole_hostname}!" green
+		fi
+	else
+		say @B"No problem! If you would like to install a Let's Encrypt certificate later, please run \"certbot --nginx --agree-tos --redirect --hsts --staple-ocsp -d $guacamole_hostname\" manually." yellow
+		say @B"You can now access your desktop at http://${guacamole_hostname}!" green
+	fi
+	say @B"Your username is $guacamole_username and your password is $guacamole_password_prehash." green
+}
+
+function main
+{
+	display_license
+	check_OS
+	echo "This script is going to install a desktop environment with browser access."
+	echo 
+	say @B"This environment requires at least 1 GB of RAM." yellow
+	echo 
+	echo "Would you like to proceed? [Y/N]"
+	read confirm_installation
+	if [ "x$confirm_installation" = "xY" ] || [ "x$confirm_installation" = "xy" ] ; then
+		determine_system_variables
+		install_guacamole
+		install_guacamole_web
+		configure_guacamole
+		install_desktop
+		install_reverse_proxy
+	fi
+	echo 
+	echo "Thank you for using this script written by https://qing.su!"
+	echo "Have a nice day!"
+}
+
+###############################################################
+#                                                             #
+#               The main function starts here.                #
+#                                                             #
+###############################################################
+
+main
+exit 0