To bid for an item you are interested in, click on the "Place a Bid" button on the publication page:
After clicking on that button, the following window emerges, where you can choose the price per unit and the quantity you want to buy. As you could see in the previous image, the instant purchase price is 0.003 and we are going to bid 0.002 for each of the two items we are willing to buy:
After clicking on "Place a Bid", you need to confirm with the wallet.
After confirming, the platform will indicate that our bid was successful:
