视频剪辑、录屏、视频创作类软件列表：
Free video cut / video creation / Youtuber softwares:
Screen Recorder and Video editor and Motion Graphic (MG) Animation tool.
录屏、视频编辑、MG动画制作工具
Windows / Mac Link
You can use Microsoft PPT to recorde you screen,or animate your drawings (inside PPT).
If you cannot find that feature, try OneNote Windows 10 version (windows store version).