Select the tokens you want to trade between, for example trade ADA for MILK.
Click on "Swap"
Confirm that the amounts displayed are what you want to order
Click "Confirm Swap". Now you're done and you have traded on Milkomeda!
Trading fees
The fee for trading on Milkomeda is 0.30 %. Out of this, 0.25 % goes to liquidity providers. The remaining 0.05 % is used to cover expenses related to the project.