diff --git a/.gitignore b/.gitignore
index aeaf2bd..4fe6511 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@
 .LSOverride
 
 # Icon must end with two \r
-Icon

+Icon
 
 # Thumbnails
 ._*
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..aa55d21
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "plugins/sysstat"]
+	path = plugins/sysstat
+	url = git@github.com:samoshkin/tmux-plugin-sysstat.git
diff --git a/install.sh b/install.sh
index e41898e..5e185c4 100755
--- a/install.sh
+++ b/install.sh
@@ -10,28 +10,40 @@ is_app_installed() {
 REPODIR="$(cd "$(dirname "$0")"; pwd -P)"
 cd "$REPODIR";
 
-git submodule update --recursive --init --quiet;
-
 if ! is_app_installed tmux; then
   printf "$(tput setaf 1)WARNING:$(tput sgr0) \"tmux\" command is not found. \
-Install \"tmux\" yourself\n"
+Install it first\n"
+  exit 1
 fi
 
-# .tmux may already exist (created by tmux plugin manager)
-rsync -aq --backup ./tmux/ "$HOME"/.tmux
+if [ ! -e "$HOME/.tmux/plugins/tpm" ]; then
+  printf "$(tput setaf 1)WARNING:$(tput sgr0) Cannot found TPM (Tmux Plugin Manager) \
+ at default location: \$HOME/.tmux/plugins/tpm. Install it first\n"
+  exit 1
+fi
 
 if [ -e "$HOME/.tmux.conf" ]; then
-  printf "Found existing .tmux.conf in your \$HOME directory. Will backup it and overwrite with new .tmux.conf file? OK (y/n): "
-  read -r answer
-  if echo "$answer" | grep -iq "^n"; then
-    printf "Install config manually using command below:\n\n";
-    printf "\t cd && ln -sf .tmux/tmux.conf .tmux.conf\n";
-    exit 1;
-  fi
+  printf "Found existing .tmux.conf in your \$HOME directory. Will create a backup at $HOME/.tmux.conf.bak\n"
 fi
 
-ln -sf --backup=numbered .tmux/tmux.conf  "$HOME"/.tmux.conf;
-printf "$(tput setaf 2)OK:$(tput sgr0) Files are copied to \$HOME/.tmux and symlink at \$HOME/.tmux.conf is created\n"
+git submodule init;
+
+rsync -aq ./tmux/ "$HOME"/.tmux
+
+ln -sf --backup --suffix=.bak .tmux/tmux.conf "$HOME"/.tmux.conf;
+
+"$HOME"/.tmux/plugins/tpm/bin/install_plugins
+
+printf "$(tput setaf 2)OK:$(tput sgr0) Completed\n"
+
+
+
+
+
+
+
+
+
 
 
 
diff --git a/plugins/sysstat b/plugins/sysstat
new file mode 160000
index 0000000..21a3fd6
--- /dev/null
+++ b/plugins/sysstat
@@ -0,0 +1 @@
+Subproject commit 21a3fd61b41c0d073c00d4989ae1b775c7c1ef51
diff --git a/tmux/theme.conf b/tmux/theme.conf
index 719657f..6b01db7 100644
--- a/tmux/theme.conf
+++ b/tmux/theme.conf
@@ -1,43 +1,27 @@
-# TODO: extract colour to variables
 
-# Status line
-set -g status on
-set -g status-interval 10
-set -g status-justify centre
-set -g status-left-length 70
-set -g status-right-length 90
+# =====================================
+# ===           Theme               ===
+# =====================================
 
+# Feel free to NOT use this variables at all (remove, rename)
+# this are named colors, just for convenience
+color_orange="colour166" # 208, 166
+color_purple="colour134" # 135, 134
+color_green="colour076" # 070
+color_blue="colour39"
+color_yellow="colour220"
+color_red="colour160"
+color_black="colour232"
+color_white="white" # 015
 
-wg_battery='#{battery_status_fg} #{battery_icon} #{battery_percentage} #{battery_remain}'
-
-wg_loadavg='#[fg=colour167,bg=colour235]#( \
-  uptime | cut -d "," -f 3- | cut -d ":" -f2 | sed -e "s/^[ \t]*//" \
-)#[default]'
-
-wg_date='#[fg=colour167,bg=colour235] %h %d %H:%M #[default]'
-
-wg_session='#[fg=green]#S:#[fg=default]#I.#P'
-wg_host='#[fg=colour167,bg=colour235]#(echo $USER)@#H#[default]'
-
-wg_is_zoomed='#[fg=colour231,bg=colour04]#{?window_zoomed_flag,[Z],}#[default]'
-wg_clients_attached='#[fg=cyan]#{?session_many_attached,~#{session_attached},}#[default]'
-
-
-# CPU is updated to often, put stress on CPU
-# wg_cpu='#{cpu_fg_color}#{cpu_percentage}'
-# wg_cpu="#(iostat -c -y 5 1 | tail -n 2 | head -n 1)"
-
-
-set -g status-style fg=white,bg=colour235
-set -g status-right "$wg_loadavg $wg_battery $wg_host $wg_date #{online_status}"
-set -g status-left "$wg_session $wg_clients_attached $wg_is_zoomed #{prefix_highlight}"
-
-
-setw -g window-status-style fg=white,dim
-setw -g window-status-current-style fg=brightwhite,nodim,bold,bg=brightred
-setw -g window-status-activity-style fg=black,bg=cyan
-
-
-# Appearence
-setw -g pane-active-border-style fg=red
-set -g message-style fg=green,bold,bg=black
\ No newline at end of file
+# This is a theme CONTRACT, you are required to define variables below
+# Change values, but not remove/rename variables itself
+color_dark="$color_black"
+color_light="$color_white"
+color_session_text="$color_blue"
+color_status_text="colour245"
+color_main="$color_orange"
+color_secondary="$color_purple"
+color_level_good="$color_green"
+color_level_warn="$color_yellow"
+color_lelel_achtung="$color_red"
diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index 1a62a37..efe00fb 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -10,6 +10,10 @@ set -g allow-rename off
 set -g default-terminal "screen"
 set -g remain-on-exit off
 
+# aggressive-resize [on | off]
+# alternate-screen [on | off]
+
+
 # Change prefix key to C-a, easier to type, same to "screen"
 unbind C-b
 set -g prefix C-a
@@ -148,12 +152,85 @@ unbind -T copy-mode-vi MouseDragEnd1Pane
 bind -T copy-mode-vi MouseDown1Pane select-pane \; send-keys -X copy-selection 
 
 
-# ===================================
-# ===  Appearence and status bar  ===
-# ===================================
+# =====================================
+# ===    Appearence and status bar  ===
+# ======================================
+
+# Load theme
+source ~/.tmux/theme.conf
+
+set -g mode-style "fg=default,bg=$color_main"
+
+# command line style
+set -g message-style "fg=$color_main,bg=$color_dark"
+
+# status line style
+set -g status-style "fg=$color_status_text,bg=$color_dark"
+
+# window segments in status line
+set -g window-status-separator ""
+separator_powerline_left=""
+separator_powerline_right=""
+
+setw -g window-status-style "fg=$color_status_text,bg=$color_dark"
+setw -g window-status-format " #I:#W "
+setw -g window-status-current-style "fg=$color_light,bold,bg=$color_main"
+setw -g window-status-current-format "#[fg=$color_dark,bg=$color_main]$separator_powerline_right#[default] #I:#W# #[fg=$color_main,bg=$color_dark]$separator_powerline_right#[default]"
+
+# when window has monitoring notification
+setw -g window-status-activity-style "fg=$color_main,bg=$color_dark"
+
+# outline for active pane
+setw -g pane-active-border-style "fg=$color_main"
+
+# general status bar settings
+set -g status on
+set -g status-interval 5
+set -g status-position top
+set -g status-justify left
+set -g status-right-length 140
+
+# define widgets we're going to use in status bar
+# note, that this is not the complete list, some of them are loaded from plugins
+wg_session="#[fg=$color_session_text] #S #[default]"
+wg_battery="#{battery_status_fg} #{battery_icon} #{battery_percentage}"
+wg_date="#[fg=$color_secondary]%h %d %H:%M#[default]"
+wg_host="#[fg=$color_secondary]#(echo $USER)#[default]@#H"
+wg_is_zoomed="#[fg=$color_dark,bg=$color_secondary]#{?window_zoomed_flag,[Z],}#[default]"
+
+set -g status-left "$wg_session"
+set -g status-right "#{prefix_highlight} $wg_is_zoomed #{sysstat_cpu} | #{sysstat_mem} | #{sysstat_loadavg} | $wg_host | $wg_date $wg_battery #{online_status}"
+
+# online and offline icon for tmux-online-status
+set -g @online_icon "#[fg=$color_level_good]●#[default]"
+set -g @offline_icon "#[fg=$color_level_achtung]●#[default]"
+
+# Configure view templates for tmux-plugin-sysstat "MEM" and "CPU" widget
+set -g @sysstat_mem_size_unit "G"
+set -g @sysstat_mem_view_tmpl '#[fg=#{mem.color}]MEM:#{mem.pused}#[default] (#{mem.used})'
+set -g @sysstat_cpu_view_tmpl '#[fg=#{cpu.color}]CPU:#{cpu.pused}#[default]'
+
+# Configure colors for tmux-plugin-sysstat "MEM" and "CPU" widget
+set -g @sysstat_cpu_color_low "$color_level_good"
+set -g @sysstat_cpu_color_medium "$color_level_warn"
+set -g @sysstat_cpu_color_high "$color_level_achtung"
+set -g @sysstat_mem_color_ok "$color_level_good"
+set -g @sysstat_mem_color_stress "$color_level_achtung"
+
+# Configure tmux-battery widget colors
+set -g @batt_color_full_charge "#[fg=$color_level_good]"
+set -g @batt_color_high_charge "#[fg=$color_level_good]"
+set -g @batt_color_medium_charge "#[fg=$color_level_warn]"
+set -g @batt_color_low_charge "#[fg=$color_level_achtung]"
+
+# Configure tmux-prefix-highlight colors
+set -g @prefix_highlight_output_prefix '['
+set -g @prefix_highlight_output_suffix ']'
+set -g @prefix_highlight_fg "$color_dark"
+set -g @prefix_highlight_bg "$color_secondary"
+set -g @prefix_highlight_show_copy_mode 'on'
+set -g @prefix_highlight_copy_mode_attr "fg=$color_dark,bg=$color_secondary"
 
-# TODO: Not ready yet
-# source ~/.tmux/theme.conf
 
 
 # ============================
@@ -174,17 +251,9 @@ set -g @plugin 'tmux-plugins/tmux-online-status'
 set -g @plugin 'tmux-plugins/tmux-sidebar'
 set -g @plugin 'tmux-plugins/tmux-copycat'
 set -g @plugin 'tmux-plugins/tmux-open'
+set -g @plugin 'samoshkin/tmux-plugin-sysstat'
 
 # Plugin properties
-set -g @batt_remain_short true
-
-set -g @prefix_highlight_show_copy_mode 'on'
-set -g @prefix_highlight_output_prefix '['
-set -g @prefix_highlight_output_suffix ']'
-
-set -g @online_icon "#[fg=green]●#[default]"
-set -g @offline_icon "#[fg=red]●#[default]"
-
 set -g @sidebar-tree 't'
 set -g @sidebar-tree-focus 'T'
 set -g @sidebar-tree-command 'tree -C'