To interact with crypto coins you need a wallet.
There are many wallet apps to choose from.
Remember that coins are stored on the blockchain.
They are not stored in the wallet.
Think of your wallet as the user interface.
To use your wallet you need to set up your private key.
This is usually a list of words that you need to write down.
Don't lose this.
Your wallet will also generate a public address.
This is what you give out to receive your coins.
And that is it basically