diff --git a/NSLPluginInstaller.sh b/NSLPluginInstaller.sh
new file mode 100644
index 0000000..2d2f294
--- /dev/null
+++ b/NSLPluginInstaller.sh
@@ -0,0 +1,94 @@
+#!/bin/bash
+
+# ENVIRONMENT VARIABLES
+# $USER
+logged_in_user=$(logname 2>/dev/null || whoami)
+# $HOME
+logged_in_home=$(eval echo "~${logged_in_user}")
+
+# Function to switch to Game Mode
+switch_to_game_mode() {
+  echo "Switching to Game Mode..."
+  rm -rf "$download_dir"
+  rm -rf ${logged_in_home}/.config/systemd/user/nslgamescanner.service
+  unlink ${logged_in_home}/.config/systemd/user/default.target.wants/nslgamescanner.service
+  systemctl --user daemon-reload
+  qdbus org.kde.Shutdown /Shutdown org.kde.Shutdown.logout
+}
+
+# Function to display a Zenity message
+show_message() {
+  zenity --notification --text="$1" --timeout=1
+}
+
+# Set the remote repository URL
+REPO_URL="https://github.com/moraroy/NonSteamLaunchersDecky/archive/refs/heads/main.zip"
+
+# Set the local directory path
+LOCAL_DIR="${logged_in_home}/homebrew/plugins/NonSteamLaunchers"
+
+# Check if the Decky Loader and NSL Plugin exist
+DECKY_LOADER_EXISTS=false
+NSL_PLUGIN_EXISTS=false
+
+if [ -d "${logged_in_home}/homebrew/plugins" ]; then
+  DECKY_LOADER_EXISTS=true
+fi
+
+if [ -d "$LOCAL_DIR" ]; then
+  if [ -z "$(ls -A $LOCAL_DIR)" ]; then
+    NSL_PLUGIN_EXISTS=false
+  else
+    NSL_PLUGIN_EXISTS=true
+  fi
+fi
+
+set +x
+
+if $DECKY_LOADER_EXISTS; then
+  USER_INPUT=$(zenity --forms --title="Authentication Required" --text="Decky Loader detected! $(if $NSL_PLUGIN_EXISTS; then echo 'NSL Plugin also detected and will be updated to the latest version 🚀.'; else echo 'But no NSL plugin :(. Would you like to inject it and go to Game Mode.'; fi) Please enter your password to proceed:" --separator="|" --add-password="Password")
+else
+  zenity --error --text="Decky Loader not detected. Please download and install it from their website first and re-run this script to get the NSL Plugin."
+  rm -rf "$download_dir"
+  exit 1
+fi
+
+USER_PASSWORD=$(echo $USER_INPUT | cut -d'|' -f1)
+
+if [ -z "$USER_PASSWORD" ]; then
+  zenity --error --text="No password entered. Exiting."
+  exit 1
+fi
+
+if $NSL_PLUGIN_EXISTS; then
+  show_message "NSL Plugin detected. Deleting and updating..."
+  echo "Plugin directory exists. Removing..."
+  echo "$USER_PASSWORD" | sudo -S rm -rf "$LOCAL_DIR"
+fi
+
+show_message "Creating base directory and setting permissions..."
+echo "$USER_PASSWORD" | sudo -S mkdir -p "$LOCAL_DIR"
+echo "$USER_PASSWORD" | sudo -S chmod -R u+rw "$LOCAL_DIR"
+echo "$USER_PASSWORD" | sudo -S chown -R $USER:$USER "$LOCAL_DIR"
+
+echo "Downloading and extracting the repository..."
+curl -L "$REPO_URL" -o /tmp/NonSteamLaunchersDecky.zip
+echo "$USER_PASSWORD" | sudo -S unzip -o /tmp/NonSteamLaunchersDecky.zip -d /tmp/
+echo "$USER_PASSWORD" | sudo -S cp -r /tmp/NonSteamLaunchersDecky-main/* "$LOCAL_DIR"
+
+# Create an empty folder called "defaults"
+echo "$USER_PASSWORD" | sudo -S mkdir -p "$LOCAL_DIR/defaults"
+
+# Copy NonSteamLaunchers.sh to defaults directory
+echo "$USER_PASSWORD" | sudo -S cp "$LOCAL_DIR/NonSteamLaunchers.sh" "$LOCAL_DIR/defaults/"
+
+echo "$USER_PASSWORD" | sudo -S rm -rf /tmp/NonSteamLaunchersDecky*
+
+set -x
+cd "$LOCAL_DIR"
+
+show_message "Plugin installed. Switching to Game Mode..."
+switch_to_game_mode
+
+sudo systemctl restart plugin_loader.service
+