You can use it alone or you can connect your Amazon Echo devices to your PC, too. Once you connect Alexa to computers in your home, you can use it to turn on a computer remotely, interact with your Alexa-enabled device from your computer, or even use your Echo as a computer speaker. Here's how you can start using Alexa with your PC in no time. Currently, Alexa for PC is only available on supported Windows 10 desktops and notebooks. If you do have the Alexa app for Windows 10 or obtain it down the roa you must set it up yourself to begin using it. Select the settings you want, then select Finish Setup.