You can reveal your private key at any time when logged into your Zulu account by clicking on the menu icon at the the top right, then on "Settings". Underneath the words "Private Key" you'll see a space for you to enter your password. Enter your password and click on "reveal". In a few moments your private key will be unencrypted and displayed on your screen. After writing it down or saving it in a safe place (see below), click "Hide."
If you’ve lost both your private key and password, there is no way to recover your account or funds.