diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..e0af0e9
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,44 @@
+#!/usr/bin/env zsh
+
+set -e
+
+ARCH="$(uname -m)"
+case "$ARCH" in
+  x86_64) ARCH_ID="x86_64-linux" ;;
+  aarch64) ARCH_ID="aarch64-linux" ;;
+  *) echo "Unsupported architecture: $ARCH" && exit 1 ;;
+esac
+
+TOOLS_DIR="$HOME/.tools"
+mkdir -p "$TOOLS_DIR"
+cd "$TOOLS_DIR"
+
+# Fetch latest version from GitHub
+LATEST_VERSION=$(curl -s https://api.github.com/repos/donhk/rushstr/releases/latest | grep tag_name | cut -d '"' -f 4)
+
+if [[ -z "$LATEST_VERSION" ]]; then
+  echo "❌ Could not determine the latest version" && exit 1
+fi
+
+FILENAME="rushstr-${LATEST_VERSION}-${ARCH_ID}.tar.xz"
+URL="https://github.com/donhk/rushstr/releases/download/${LATEST_VERSION}/${FILENAME}"
+
+echo "⬇️ Downloading $FILENAME..."
+curl -LO "$URL"
+
+echo "📦 Extracting..."
+tar -xf "$FILENAME"
+rm "$FILENAME"
+
+# Add to PATH (permanent via ~/.zshrc)
+if ! grep -q "$TOOLS_DIR" ~/.zshrc; then
+  echo "\n# Add rushstr to PATH" >> ~/.zshrc
+  echo "export PATH=\"$TOOLS_DIR:\$PATH\"" >> ~/.zshrc
+  echo "🔧 Added rushstr to ~/.zshrc"
+fi
+
+# Generate shell integration
+"$TOOLS_DIR/rushstr" --zsh-shell-conf
+
+echo "✅ rushstr installed!"
+echo "ℹ️ Run 'source ~/.zshrc' to activate rushstr keybinding in this terminal."