What are some alternatives?
TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
LogMeIn - LogMeIn gives you fast, easy remote access to your PC or Mac from your browser, desktop and mobile...
GoToAssist - Provides you with live-support capability.
Chrome Remote Desktop - Chrome Remote Desktop is Google's official remote desktop program for its proprietary browser. It allows any computer that uses Chrome as a browser to become a host. Read more about Chrome Remote Desktop.
join.me - Instant screen sharing. Instant Aha!
Remote Desktop Connection - Once that's done, another computer or device with the right credentials, called the client, can connect to the host and control it. Don't let the technical aspects of remote desktop software scare you away.