fixing error for python version in macOS and other OS

README.md

@@ -6,25 +6,36 @@ SPDownloader is a Python-based tool that allows you to download all the tracks f
 
 - Python **3.10** (minimum) and pip installed and updated on the system.
 
+- Ffmpeg installed. Install latest version from [here](https://ffmpeg.org/download.html).
+
 ## Getting Started
 
 1. Visit the [Spotify Developer Dashboard](https://developer.spotify.com/dashboard/) and log in.
+
 2. Accept the terms of service (if this is your first time logging in).
+
 3. Select "Create an App" and enter any name you want.
+
 4. Copy the Client Id and Client Secret.
 
 ## Setup
 
 1. Clone this repository to your local machine.
+
 2. Run `setup.py` to install the necessary dependencies.
+
 3. Run the "spdownloader.py" file once to create the .env file, then edit it by entering the client_id and client_secret you copied previously
+
 4. Paste the Client Id and Client Secret into the appropriate fields in the newly created `.env` file
 
 ## Usage
 
 1. Open Spotify and navigate to the playlist or album you want to download.
+
 2. Click the 3 dots and select share > copy link to playlist.
+
 3. Run `python3 spdownloader.py` in your terminal.
+
 4. Paste the link to the playlist or album
 
 ## Contributing