Updated readme to include build command

README.md

@@ -2,7 +2,7 @@
 
 Transform any audio file into stunning oscilloscope visualizations. Supports massive files with zero memory issues.
 
-![Demo](https://img.shields.io/badge/demo-coming%20soon-blue) ![License](https://img.shields.io/badge/license-AGPL--3.0--or--later-green)
+![License](https://img.shields.io/badge/license-AGPL--3.0--or--later-green)
 
 ## ✨ Key Features
 
@@ -15,17 +15,47 @@ Transform any audio file into stunning oscilloscope visualizations. Supports mas
 
 ## 🚀 Quick Start
 
+### 1. Install System Dependencies
+
+**Ubuntu/Debian:**
 ```bash
-# Install dependencies
-sudo apt install ffmpeg    # Ubuntu/Debian
-# or
-brew install ffmpeg        # macOS
+sudo apt update && sudo apt install ffmpeg
+```
 
-# Build and install
-cargo install --git https://github.com/yourusername/oscilloscope-video-gen
+**macOS:**
+```bash
+brew install ffmpeg
+```
 
-# Generate video
-oscilloscope-video-gen -i your_music.flac -o oscilloscope.mp4
+**Windows:**
+```bash
+# Via winget (recommended)
+winget install ffmpeg
+
+# Or download from https://ffmpeg.org/download.html
+# Make sure ffmpeg is in your PATH
+```
+
+### 2. Build the Project
+
+```bash
+# If you have the source code locally:
+cd /path/to/oscilloscope-video-gen
+
+# Build in release mode (much faster)
+cargo build --release
+
+# The binary will be at: target/release/oscilloscope-video-gen
+```
+
+### 3. Generate Your First Video
+
+```bash
+# Basic usage - replace 'audio.wav' with your audio file
+./target/release/oscilloscope-video-gen -i audio.wav -o oscilloscope.mp4
+
+# Check available options
+./target/release/oscilloscope-video-gen --help
 ```
 
 ## 🎮 Usage Examples