diff --git a/install_debian.sh b/install_debian.sh
index 08c5220..2c5b841 100755
--- a/install_debian.sh
+++ b/install_debian.sh
@@ -1,19 +1,10 @@
 #!/bin/bash
 # install packages I need
 sudo apt update
-sudo apt install -y nala
 sudo apt install -y \
-xorg                         `# for graphics` \
+xserver-xorg                 `# for graphics` \
+i3                           `# for graphics` \
 x11-xserver-utils            `# for graphics` \
-make                         `# for compiling gui` \
-gcc                          `# for compiling gui` \
-libx11-dev                   `# for compiling dwm` \
-libxft-dev                   `# for compiling dwm` \
-libxinerama-dev              `# for compiling dwm` \
-libharfbuzz-dev              `# for compiling st` \
-libimlib2-dev                `# for compiling st` \
-suckless-tools               `# for dmenu` \
-ncdu                         `# for disk usage analysys` \
 brightnessctl                `# for keyboard backlight` \
 xcompmgr                     `# for st opacity` \
 mate-backgrounds             `# for background` \
@@ -22,51 +13,29 @@ pulseaudio                   `# for sound` \
 pavucontrol                  `# for audio control` \
 pasystray                    `# for audio control` \
 iputils-ping                 `# ping etc.` \
-xfe                          `# classic file manager` \
-surf                         `# suckless lightweight browser` \
-micro                        `# console editor` \
 neovim                       `# console editor` \
 psmisc                       `# pstree etc.` \
+software-properties-common   `# manage repos (needed for nvidia-drivers installation)` \
 chromium \
+telegram-desktop \
 python3 \
 python3-venv 
 
-# install telegram
-if [ ! -d /opt/Telegram ]
-then	
-  if [ ! -f telegram.tar.xz ]
-  then
-  	curl -L https://telegram.org/dl/desktop/linux -o telegram.tar.xz
-  fi	
-  tar -xf telegram.tar.xz
-  rm -f telegram.tar.xz
-  sudo mv Telegram /opt/
-fi
+cat > ~/.xinitrc << EOL
+dbus-update-activation-environment --systemd DBUS_SESSION_BUS_ADDRESS DISPLAY XAUTHORITY & # because of slow Telegram start
+xcompmgr & # for st opacity
+image=$(find /usr/share/backgrounds/mate/nature/ -type f | sort --random-sort | head -1)
+xwallpaper --stretch $image
+conky &
+i3
+EOL
 
-# remove autoinstalled stterm
-sudo apt remove stterm -y
+sudo add-apt-repository contrib non-free-firmware
+sudo apt update
+sudo apt install linux-headers-amd64 nvidia-driver linux-image-amd64
 
-mkdir ~/Development || true
-if [ ! -d ~/Development/gui ]
-then
-  git clone https://git.digitalstudium.com/digitalstudium/ubuntu-gui ~/Development/gui
-fi
 
-for tool in dwm st sent
-do    
-  # compiling dwm
-  if ! command -v $tool &> /dev/null
-  then
-    cd ~/Development/gui/$tool
-    sudo make install clean
-    cd -
-  fi  
-done
-
-echo 'dbus-update-activation-environment --systemd DBUS_SESSION_BUS_ADDRESS DISPLAY XAUTHORITY &' > ~/.xinitrc  # because of slow Telegram start
-echo dwm >> ~/.xinitrc  # for starting dwm when startx
-
-for tool in create_systemd_service.py create_systemd_timer.py set_brightness.sh update_gui.sh
+for tool in create_systemd_service.py create_systemd_timer.py set_brightness.sh
 do    
   if ! command -v $tool &> /dev/null
   then
@@ -77,23 +46,7 @@ done
 git config --global user.name "Digital Studium"
 git config --global user.email "digitalstudium001@gmail.com"
 
-sudo create_systemd_service.py gui-updater /usr/local/bin/update_gui.sh
-sudo create_systemd_timer.py gui-updater '*-*-* *:*:*'
-
-if [ ! -d ~/.dwm ]
-then
-  mkdir $HOME/.dwm
-fi  
-echo "xhost +local:" > $HOME/.dwm/autostart.sh # give permissions to display
-echo "xcompmgr &" >> $HOME/.dwm/autostart.sh  # for st opacity
-echo "xwallpaper --stretch /usr/share/backgrounds/mate/nature/Dune.jpg" >> $HOME/.dwm/autostart.sh  # background
-echo "chromium &" >> $HOME/.dwm/autostart.sh
-echo "Telegram &" >> $HOME/.dwm/autostart.sh
-echo "st &" >> $HOME/.dwm/autostart.sh
-echo "pasystray &" >> $HOME/.dwm/autostart.sh
-chmod +x $HOME/.dwm/autostart.sh
-
 sudo timedatectl set-timezone Europe/Moscow
 
-sudo bash -c "echo 'PATH=\$(find /opt/ -executable -type f | grep -v \.so | xargs dirname | uniq | paste -s -d : | xargs -I _ echo \$PATH:_)' > /etc/profile.d/opt.sh"
+sudo bash -c "echo 'PATH=\$PATH:\$(find /opt/ -executable -type f | grep -v \.so | xargs dirname | uniq | paste -s -d : | xargs -I _ echo _)' > /etc/profile.d/opt.sh"