In Metamask go to Settings > Network and add the following information to get on Polygon network.
Network Details
- Network Name:
Matic Mainnet - RPC URL:
https://polygon-rpc.com/ - ALT:
https://rpc-mainnet.maticvigil.com/ - Chain ID:
137 - Currency Symbol:
MATIC - Block Explorer URL:
https://explorer.matic.network/
You need some MATIC, to pay transaction fees (just like you need Ether on ERC-20). But good news, you can get this for free from a faucet.
Bridge
Faucets (free matic for tx’s)
Here are some faucets, they get you 1-2 MATIC tokens which is enough for a bunch of transactions.