Then you should try SimpleScreenRecorder!
To get started, open a terminal, and run the following commands:
sudo apt update
sudo apt -y install simplescreenrecorder
Now run the command 'simplescreenrecorder' or find it in the Show Applications menu.
Choose to either record the entire screen, or select Record a fixed rectangle or follow the cursor and then click Select rectangle or Select window to customize the size by drawing a rectangle or clicking on a window.
Use Record cursor to include the mouse cursor in the recording.
To include sound, select Record audio and choose a source device.
Choose a file name.
Select Add timestamp to insert a timestamp to the end of the name before the extension.
Now click Start recording or press the hotkey (Ctrl + R is the default) to start recording,
You can pause and resume recording as needed by clicking Pause recording or pressing the hotkey.
When done, click Save recording.