* Download and set up MetaMask (browser extension or mobile app)

* Ensure your wallet is configured for the Ethereum Mainnet

* Purchase or transfer the cryptocurrency required (ETH) for the presale

* Make sure to keep extra funds for gas fee

* Navigate to the official $GROMP presale webpage (ensure it's the correct link to avoid phishing)

* Click the "Connect" button on the presale page and select MetaMask

* Approve the connection in your wallet pop-up

* In the input field on the presale page, type the amount of ETH you want to contribute
(min 0.01 ETH)

* Click "Send" to authorize the transaction

* Confirm the contribution transaction in your MetaMask wallet

* Your wallet will display the transaction status. Once confirmed, your contribution will be logged
and you should see a success message on the presale page

* Your $GROMP will be distributed after the presale phase ends