Once started, you'll be prompted with the Overview screen. As shown next in figure 5.4, the Overview shows your current balances, the amounts pending, and any recent transactions.
Before receiving any Bitcoin, you should be familiar with some basic preliminaries to help protect your Bitcoin wallet.
When first installed, your wallet will be stored unencrypted on the disk. Malicious software can access your wallet and steal the private keys. To protect your wallet, you'll need to encrypt it with a passphrase, or a long password.
By selecting Encrypt ...