How can I find and copy my address?

Click the Receive button in the main screen:

And then select the asset you want to receive in your wallet:

Then you can click the address to copy it:

Or if you want to get the QR code click Receive again.

Make sure if you want to receive real assets to use the Mainnet (Main network) in the upper central menu of your Wallet. Testnet assets hold no market value.