https://3speak.tv/watch?v=virimen/mawuagrl
How to install the MetaMask Cryptocurrency wallet extension for your internet browser and how to set up the MATIC/Polygon network in your MetaMask browser wallet.

MetaMask is also required for connecting to some of the "free 2 play 2 own" platforms and games that we play on blockchain.

Resources:
MetaMask: https://metamask.io/download/

MATIC/POLYGON network info: