Traditionally, this required buying a physical USB capture card—a "dongle" that takes an HDMI signal and converts it into a webcam feed. However, for years, a niche but powerful piece of software has offered an alternative solution for specific hardware setups: .
: Open the Measurement dialog to add scale bars or measure lengths (requires calibration using a standard ruler or provided calibration slide). softhvscam for windows top
WindowTop - Download and install on Windows - Microsoft Store Traditionally, this required buying a physical USB capture