First before you make any progress with Armory. You must backup your wallet, either with a paper or digitally. The paper backup is an offline wallet or cold storage. It provides encrypted codes, which you can write down on a paper and keep your paper more secured.
You can decide to delete your wallet after this exercise, to confirm the authenticity of their wallet backup features. After deleting the wallet, open your Armory App and click on import. They you can insert the codes you wrote down in a paper and your wallet will be recovered.
It won’t take you much time to master this app just keep looking into their features soon it will be a minor.