docs: update installation instructions in README

- Add note that npm installation is deprecated
- Add link to setup documentation
- Add WinGet installation option for Windows
- Update Homebrew to indicate MacOS/Linux support
- Mark recommended installation methods
- Improve formatting with proper indentation

README.md

@@ -11,31 +11,38 @@ Claude Code is an agentic coding tool that lives in your terminal, understands y
 <img src="./demo.gif" />
 
 ## Get started
+> [!NOTE]
+> Installation via npm is deprecated. Use one of the recommended methods below.
+
+For more installation options, uninstall steps, and troubleshooting, see the [setup documentation](https://code.claude.com/docs/en/setup).
 
 1. Install Claude Code:
 
-**MacOS/Linux:**
+    **MacOS/Linux (Recommended):**
     ```bash
     curl -fsSL https://claude.ai/install.sh | bash
     ```
 
-**Homebrew (MacOS):**
+    **Homebrew (MacOS/Linux):**
     ```bash
     brew install --cask claude-code
     ```
 
-**Windows:**
+    **Windows (Recommended):**
     ```powershell
     irm https://claude.ai/install.ps1 | iex
     ```
 
-**NPM:**
+    **WinGet (Windows):**
+    ```powershell
+    winget install Anthropic.ClaudeCode
+    ```
+
+    **NPM (Deprecated):**
     ```bash
     npm install -g @anthropic-ai/claude-code
     ```
 
-NOTE: If installing with NPM, you also need to install [Node.js 18+](https://nodejs.org/en/download/)
-
 2. Navigate to your project directory and run `claude`.
 
 ## Plugins