Can I install Alexa App for PC?

Yes, you'll download and install the Alexa app on any Windows 10 PC, but only compatible devices will support Alexa wake word. The Alexa app for Windows 10 app includes access to now playing to regulate music and therefore the ability, like all other Alexa apps, to regulate smart home devices. If you don’t have a compatible PC then you'll click on the button within the Alexa app to talk to Alexa or invoke the assistant employing a keyboard shortcut. For more alexa.amazon.com