The ChalkTalk Telestrator is a native app for PC and Mac. Like Zoom, it can be run from your Start menu or invoked by a web page.

If you have not installed it (or wish to upgrade), you may run the appropriate setup program from the following:



This beta version is not digitally signed so you'll need to relax your security and/or the Windows install warnings.

PC, on blue warning dialog, choose More info, then "Run anyway".
Mac, goto Apple > System Preferences > Security > General tab to “Open Anyway”