Classplus is an ed-tech platform that provides white-labeled mobile and web applications for educators to manage their online coaching businesses

C. Screen recording (last-resort, permission required)

Open Classplus in Chrome and press to open Developer Tools.

To summarize how to effectively:

Use extensions like Loom or OBS Studio (Open Broadcaster Software). OBS is free and records at 4K quality. Set the source to "Screen Capture" and audio to "System Audio."