FFMPEG Installation Tutorial

To get screen recording to work you need to install FFmpeg to Geometry Dash

download FFmpeg
copy ffmpeg.exe to your GD install folder (not the extensions folder)
all done

How to find your GD install folder

Open Steam
Go to Library
Right click Geometry Dash
Manage
Browse Local Files
all done!

Why?

FFmpeg uses a sinful license that makes it awkward to package for distribution

Later builds of Mega Hack will avoid requiring this extra step, but for now this is required unfortunately

Disclaimer

Build courtesy of www.gyan.dev FFmpeg: FFmpeg