Google Cast for Education CRX for Chrome is a free productivity extension. This extension is developed and published by developers.google.com/cast. Find, Download, and Install the latest and old CRX versions from here.
About Google Cast for Education
Cast for Education allows you to turn your computer into a wireless projector for screen sharing from another device. Just install the extension, give your device a name, and invite your students to cast.
Teachers: Download this extension to set up your device for wireless screen sharing. If you are unable to download the extension, check with your school administrator.
Students: Simply cast to your teacher’s screen name from your Chrome browser. You don’t need this extension to cast.