There are few steps to download Alexa App and setup: -
? Firstly, input your Amazon ID and Password.
? Tap and Hold to Sign-in.
? Give access to Alexa to enable your contacts sync in.
? Tap on main menu button on top right corner.
? Click on settings from the options given in menu bar.
You can also Download Alexa App and can be asked to connect to your smartphone wireless settings. Just follow instructions appeared on the screen and connect through an established Wi-fi connection. Just Setup a new device option that appears and click on it. Choose the type of device and connect to Alexa with Wi-fi Connectivity.