diff --git a/install.sh b/install.sh
old mode 100644
new mode 100755
index 51a2c56..c7b583a
--- a/install.sh
+++ b/install.sh
@@ -1,63 +1,65 @@
 #!/usr/bin/env bash
 set -e
 
-REPO_DIR="$(cd "$(dirname "$0")" && pwd)"
+# Detect repository directory dynamically
+REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 CFG_ROOT="$HOME/.config/MyI3Config"
 I3_DIR="$HOME/.config/i3"
 
+# Ask yes/no questions
 ask() {
-	printf "%s [y/N]: " "$1"
-	read -r ans
-	[ "$ans" = "y" ] || [ "$ans" = "Y" ]
+    printf "%s [y/N]: " "$1"
+    read -r ans
+    [[ "$ans" =~ ^[Yy]$ ]]
 }
 
+# Ask for application command, verify exists in PATH
 ask_app() {
-	local label="$1"
-	local default="$2"
-	local app
+    local label="$1"
+    local default="$2"
+    local app
+    while true; do
+        printf "%s (default: %s): " "$label" "$default"
+        read -r app
+        app="${app:-$default}"
 
-	while true; do
-		printf "%s (default: %s): " "$label" "$default"
-		read -r app
-		app="${app:-$default}"
-
-		if command -v "$app" >/dev/null 2>&1; then
-			echo "$app"
-			return
-		else
-			echo "✗ '$app' not found in PATH"
-			echo "  install it first or choose another"
-		fi
-	done
+        if command -v "${app%% *}" >/dev/null 2>&1; then
+            echo "$app"
+            return
+        else
+            echo "✗ '$app' not found in PATH"
+            echo "  install it first or choose another"
+        fi
+    done
 }
 
 echo "=== MyI3Config installer ==="
 echo
 
 if ! ask "Install this i3 configuration?"; then
-	echo "Aborted."
-	exit 0
+    echo "Aborted."
+    exit 0
 fi
 
 echo
-echo "[1/4] Installing packages"
+echo "[1/4] Installing packages..."
 sudo pacman -S --needed $(grep -v '^#' "$REPO_DIR/packages.txt")
 
 echo
-echo "[2/4] Choose applications"
+echo "[2/4] Choose applications..."
 TERMINAL=$(ask_app "Terminal" "kitty")
 BROWSER=$(ask_app "Browser" "firefox")
 FILEMANAGER=$(ask_app "File manager" "nautilus")
 CALCULATOR=$(ask_app "Calculator" "gnome-calculator")
 
 echo
-echo "[3/4] Installing MyI3Config"
+echo "[3/4] Installing MyI3Config..."
 rm -rf "$CFG_ROOT"
 mkdir -p "$CFG_ROOT"
 cp -r "$REPO_DIR/"* "$CFG_ROOT"
 
 echo
-echo "[4/4] Writing settings"
+echo "[4/4] Writing settings..."
 echo "$TERMINAL"    > "$CFG_ROOT/settings/terminal.sh"
 echo "$BROWSER"     > "$CFG_ROOT/settings/browser.sh"
 echo "$FILEMANAGER" > "$CFG_ROOT/settings/filemanager.sh"