BB (short for BlueBerry) FlashBack Express Recorder lets you use your webcam to record yourself while recording the activities that are happening on your desktop. After you have stopped recording, it creates an FBR file which can be edited with its packaged video editor.
For download:
https://www.bbsoftware.co.uk/bbflashbackexpress/download.aspx
But you can find more softwares like that in this site:
https://www.hongkiat.com/blog/win-screen-recording-softwares/