diff --git a/README.md b/README.md
index 556fe3d..4016e6e 100644
--- a/README.md
+++ b/README.md
@@ -3,24 +3,25 @@
 ## Bulk commands
 ```
 yay -S spectrwm fish openssh rofi xorg xorg-server scrot xorg-xinit alacritty ranger feh nerd-fonts-complete xf86-video-intel librewolf-bin cifs-utils pulseaudio-alsa pulseaudio-ctl slock xautolock zip unzip alsa-utils redshift-minimal numlockx usbutils cmatrix yubikey-touch-detector
-cp dotfiles/.xinitrc ~/.xinitrc
-cp dotfiles/.fehbg ~/.fehbg
+cp dotfiles/.xinitrc ~/
+cp dotfiles/.fehbg ~/
 chmod +x ~/.fehbg
-cp dotfiles/.bash_profile ~/.bash_profile
+cp dotfiles/.bash_profile ~/
 mkdir -p ~/.config/{spectrwm,alacritty,rofi,fish/functions}
-cp dotfiles/.config/spectrwm/spectrwm.conf ~/.config/spectrwm/spectrwm.conf
-cp dotfiles/.config/spectrwm/spectrwm_fr.conf ~/.config/spectrwm/spectrwm_fr.conf
-cp dotfiles/.config/spectrwm/bar ~/.config/spectrwm/bar
-cp dotfiles/.config/alacritty/alcaritty.yml ~/.config/alacritty/alacritty.yml
-cp dotfiles/.config/rofi/config ~/.config/rofi/config
-cp dotfiles/.config/fish/config.fish ~/config/fish/config.fish
-cp dotfiles/.config/fish/functions/cl.fish ~/.config/fish/functions/cl.fish
-cp dotfiles/.config/fish/functions/fish_prompt.fish ~/.config/fish/functions/fish_prompt.fish
+cp dotfiles/.config/spectrwm/spectrwm.conf ~/.config/
+cp dotfiles/.config/spectrwm/spectrwm_fr.conf ~/.config/spectrwm/
+cp dotfiles/.config/spectrwm/bar ~/.config/spectrwm/
+cp dotfiles/.config/alacritty/alcaritty.yml ~/.config/alacritty/
+cp dotfiles/.config/rofi/config ~/.config/rofi/
+cp dotfiles/.config/fish/config.fish ~/config/fish/
+cp dotfiles/.config/fish/functions/cl.fish ~/.config/fish/functions/
+cp dotfiles/.config/fish/functions/fish_prompt.fish ~/.config/fish/functions/
 sudo sed -i "s/autospawn = no/autospawn = yes/" /etc/pulse/client.conf
 sudo cp dotfiles/X11/xorg.conf /etc/X11/xorg.conf
-sudo cp dotfiles/slock\@.service /etc/systemd/system/slock\@.service
-sudo cp dotfiles/xorg.conf.d/20-intel.conf /etx/X11/xorg.conf.d/20-intel.conf
+sudo cp dotfiles/slock@.service /etc/systemd/system/slock@$USER.service
+sudo cp dotfiles/xorg.conf.d/20-intel.conf /etx/X11/xorg.conf.d/
 sudo cp dotfiles/system/mnt-data.* /etc/systemd/system/
+sudo cp dotfiles/system/powertop.service /etc/systemd/system/
 ```
 
 ## Packages
@@ -37,12 +38,21 @@ yay -S wfuzz exploitdb nmap gobuster nikto hydra perl-image-exiftool zsteg rtl88
 
 ## Configurations
 
-## Power
+### Power
+
+#### TLP
 ```
 yay -S tlp
 sudo systemctl enable --now tlp.service
 ```
 
+#### Powertop
+```
+yay -S powertop
+sudo cp dotfiles/system/powertop.service /etc/systemd/system/
+sudo systemctl enable --now powertop.service
+```
+
 ### Locale
 ```
 sudo localectl set-keymap fr
@@ -56,8 +66,7 @@ sudo timedatectl set-ntp true
 ```
 sudo mkdir -p /mnt/data
 sudo mkdir -p /etc/samba/credentials
-echo "username=<username>
-password=<password>" | sudo tee -a /etc/samba/credentials/data
+sudo cp dotfiles/credentials/data /etc/samba/credentials/ (complete the login information in this file)
 sudo chmod 700 /etc/samba/credentials/
 sudo chmod 600 /etc/samba/credentials/data
 ```
diff --git a/credentials/README.md b/credentials/README.md
new file mode 100644
index 0000000..b35d126
--- /dev/null
+++ b/credentials/README.md
@@ -0,0 +1 @@
+Path: `/etc/samba/credentials/`
diff --git a/credentials/data b/credentials/data
new file mode 100644
index 0000000..e282f11
--- /dev/null
+++ b/credentials/data
@@ -0,0 +1,2 @@
+username=
+passsword=
diff --git a/system/powertop.service b/system/powertop.service
new file mode 100644
index 0000000..60ee418
--- /dev/null
+++ b/system/powertop.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Powertop tunings
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/powertop --auto-tune
+
+[Install]
+WantedBy=multi-user.target