Some exchanges will let you withdraw funds directly off the exchange onto Polygon, which in some cases may save you on gas fees compared to using the method described above. If Ethereum network fees are high, then using an exchange may be the cheaper option if the exchange offers a fixed-rate withdrawal fee.
If you are using an exchange that supports transactions on the MATIC mainnet, you can switch your "network" to Polygon network. After you switched to Polygon network, you can withdraw your Polygon funds to your Polygon wallet directly.
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