All the devices which are operated by Alexa virtual assistant can be Setup by an Alexa app which can get below. Here you will get easy steps to get Alexa app. To use Alexa app there must be same WiFi connection available through which you want to connect your Amazon Echo, Echo dot, echo plus or Echo Show. To setup Echo, Echo dot, Echo tap or Echo show, the user must need an app either on the smartphone or a computer. It is necessary to Connect Alexa to WiFi. You can also get Alexa app on windows as well as on Mac PC