As soon as you download the application onto your device, you’ll be able to send videos, images and voice notes, group chat, talk internationally, get offline messages, not have to deal with usernames and pin codes, stay logged in and have all your information from your phone (such as your address book) immediately transfer over if you give the app permission to have access to such. With that being said, there are no hidden tricks or schemes to download the app and immediately get it up and running on your phone or other device.