1. First, you need to register at coincasso.com

2. You need to verify your account. It is required due to AML/KYC law in the EU. Instruction to verification in the link below:  https://coincasso.freshdesk.com/en/support/solutions/articles/43000456088-how-to-verify-my-account-

3. Make a deposit fiat (EUR) or cryptocurrency. Instruction to deposit fiat in the link below:

Instruction to deposit cryptocurrency in the link below:

4. Open order offer on the Exchange menu section.

First step: choose the currency pair.
Second step: create your own offer or choose an offer from the market.

5. When the trade is completed, you can simply withdraw your funds to your account.