Just in case no-one answers with a recommendation for what he finds the best one (note that you might get different answers) here's a google search that might be helpful: https://www.google.com/search?q=windows+screen+recording
Replace windows with linux or apple or ipad, depending on the platform you're planning to use. Linux is free, which might be a pro for you.
Which free software is best for the system screen recording..
I want to create videos for all categories of education for the internet, I am at initial state please suggest me the best one.
Thanks and Regards
Name of future site removed by moderator as irrelevant.