Software

Free Cam (no watermark, no time limits, no ads)
DVDVideoSoft’s Free Screen Video Recorder (available in 10 languages)
or Ezvid (offer computer speech for narrative purposes).
May you find the most suitable one.

It is important to choose the right free screen recorder depending on what you intend to do with the footage you capture. Different recorders offer a range of different features, can save captures in varying formats, or capture footage from external sources such as a webcam – and some even give you the opportunity to upload to the internet directly from within the program. Some run nicely on average hardware, while others are more demanding. The point is that there is plenty of choices.
No matter what you're hoping to do with footage captured from your computer, you need the right tool for the job. And this is where our look at the best free screen recorders can help – take a look and see which one is best for you.
1.OBS Studio
2. FlashBack Express
3. A power soft Free Online Screen Recorder
4. Debut Video capture
5. ShareX

the one I can think of is obs. If you don't mind, you can also try one tool i am using currently, Joyoshare screen recorder. It captures video audio with no time limit and without watermark. Also, it cuts during recording and skips needless content easily.

Free Cam & CamStudio are my picks for this. Easy to use and free.

You can try Any Video Converter Ultimate. It is a shareware, but you can use record the video screen for free.

OBS studio The best screen recorder for any software, including games
FlashBack Express. Ideal for recording games and capturing footage from a webcam
Apowersoft Free Online Screen Recorder. An in-browser recorder more powerful than most desktop apps.

If you don't mind, you can also try one tool i am using currently, Joyoshare screen recorder.

Try Microsoft office PowerPoint screen recorder and once done save the file as mp4. It's free to use and the easiest way.

Hey, I would suggest you to Install "ActivePresenter" software in your PC.
It is a very good software for screen recording as well as video editing and it is free of cost.

Free Screen Recorder Software
Flashback Express
Windows 10 Game DVR
OBS Studio
CamStudio
SnagIt
Microsoft Steps recorder