We use METAMASK as our Wallet and can only recommend it. Works as APP and BROWSER EXTENSION. But also works with some other Wallets where you can SET THE NETWORK.
CONFIRM TRANSACTION. 2 TRANSACTIONS IF YOU BRIDGE FROM ETHEREUM.
If you are MISSING MATIC in your Polygon wallet, you can visit https://matic.supply and get a TINY AMOUNT of MATIC for free. OFFICIAL WEBSITE from the Polygon Foundation.