diff --git a/client/install.sh b/client/install.sh
index 27c0a3b..0087c89 100755
--- a/client/install.sh
+++ b/client/install.sh
@@ -54,6 +54,21 @@ EOF
 chmod +x "$LAUNCHER"
 echo "==> Launcher written             : $LAUNCHER"
 
+# ── 3. system command ─────────────────────────────────────────────────────────
+BIN_DIR="$HOME/.local/bin"
+CMD="$BIN_DIR/we_monitor_gui"
+mkdir -p "$BIN_DIR"
+cat > "$CMD" <<EOF
+#!/usr/bin/env bash
+exec "$PYTHON" "$SCRIPT_DIR/gui_client.py" "\$@"
+EOF
+chmod +x "$CMD"
+echo "==> System command               : $CMD"
+if [[ ":$PATH:" != *":$BIN_DIR:"* ]]; then
+    echo "    Note: $BIN_DIR is not in your PATH."
+    echo "    Add to ~/.bashrc or ~/.profile:  export PATH=\"\$HOME/.local/bin:\$PATH\""
+fi
+
 echo ""
 echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
 if $IS_UPDATE; then
@@ -62,6 +77,6 @@ else
     echo " Installation complete."
     echo ""
     echo " Start the GUI:"
-    echo "        $LAUNCHER"
+    echo "        we_monitor_gui"
 fi
 echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"