diff --git a/README.md b/README.md
index e3fe9ed..bffb635 100644
--- a/README.md
+++ b/README.md
@@ -42,32 +42,43 @@ pip install pillow pngmeta
 
 ## Building for Distribution
 
-### Mac OS (using py2app)
+### Using build.py (Recommended)
 
 1. First install the required build tools:
    ```bash
-   pip install py2app
+   pip install pyinstaller
    ```
 
-2. Build the application bundle:
+2. Build the application for your platform:
    ```bash
-   python setup.py py2app
+   python build.py
    ```
 
-3. The resulting .app bundle will be in the `dist/` directory
+3. The resulting executable will be in the `dist/` directory
 
-### Windows (using PyInstaller)
+### Manual PyInstaller Commands
 
+#### Windows
 ```bash
 pyinstaller --name="PNG Metadata Editor" \
             --windowed \
             --onefile \
             --icon=AppIcon.ico \
+            --version-file version.txt \
             png-meta-editor.py
 ```
 
-### Linux (using PyInstaller)
+#### Mac OS
+```bash
+pyinstaller --name="PNG Metadata Editor" \
+            --windowed \
+            --onefile \
+            --icon=AppIcon.icns \
+            --version-file version.txt \
+            png-meta-editor.py
+```
 
+#### Linux
 ```bash
 pyinstaller --name="PNG Metadata Editor" \
             --windowed \
@@ -75,6 +86,14 @@ pyinstaller --name="PNG Metadata Editor" \
             png-meta-editor.py
 ```
 
+## Required Files
+
+For building, you'll need:
+- `version.txt` (for version information)
+- `AppIcon.ico` (Windows icon)
+- `AppIcon.icns` (Mac icon)
+- `requirements.txt` (for dependencies)
+
 ## License
 
 This project is licensed under the MIT License - see [LICENSE](LICENSE) for details.
@@ -82,7 +101,7 @@ This project is licensed under the MIT License - see [LICENSE](LICENSE) for deta
 ## Author
 
 Robert Tusa
-[Your Contact Information]
+robert@tusa.at
 
 ## Version History