How to buy Polygon Mainnet MATIC?

Could you please enlighten me on the process of purchasing Polygon Mainnet MATIC? I'm quite interested in investing in this cryptocurrency but I'm not entirely sure where to start. Do I need to create a specific wallet for MATIC? Are there specific exchanges that support Polygon Mainnet? What are the steps involved in the purchase process? Additionally, are there any fees or commissions I should be aware of? Your detailed guidance would be greatly appreciated.