I) Copy your Metamask wallet address. You can find it at the top middle of Metamask window, when you move your mouse over it you will see “Copy to clipboard” and you just click mouse left and it’s copied.
II) Buy some Ethereum in your favorite exchange (Coinbase, Binance, Kucoin, etc) and send the ETH to this address.
III) In your exchange, find the Withdraw option. Select Ethereum. They ask where do you want to send, paste there the Metamask address.
III) Select the amount of ETH you want to spend and you will see the amount of TROLL you will receive.
IV) Click the Connect Wallet Button and Connect your MetaMask Wallet. Metamask will open a new window and ask you for confirmation. Confirm. Then wait until the transaction is completed! Be patient, sometimes it takes a few seconds. V) If everything is correct, you will see the new coins you bought in the bottom Balance.