What's nice about Atomic is that it's non-custodian, meaning they don't hold your data, your wallet is in your computer, and you can buy crypto with credit card directly from the app.
Start by heading to https://atomicwallet.io/
Step 1: Download the app.
Step 2: After installing the app on your system, open it and click on New Wallet.
Step 3: Click on Start Using Atomic and then you will be taken to the exchange window where you can select your currencies and start your exchange.