Millions of people have recorded videos and put them online on YouTube for us to find. Some of these videos are for entertainment purposes, many are educational.
If you want to learn something, there is a very good chance someone has posted a video that can help you.
Remember that watching videos uses quite a bit of data. Where possible use Wi-Fi that is free or affordable to you.
In the figure below, YouTube is searched for “How-To”videos on topics of interest. The examples include: