The Google Form for bug reporting asks you to provide screenshots or videos of the bug.
This post will talk about the different ways to record or screenshot on your computer.
Windows:
On Windows 10, enable the Game Bar (Settings > Gaming > Game Bar). Next, type Windows Key + G.
Check out this guide for more info on Windows 10 Recording
Mac:
To open the Screenshot Toolbar type: Shift + CMD + 5. This will open up the toolbar at the bottom on your screen.
See the Apple Forms for more information about the different options.
Both:
OBS is an excellent free software that can be used to record your screen.