You could use Screencast-O-Matic The free version, has a max record time of 15 minutes (for one video), and puts a slight Wave Mark at the bottom left, but other than that I found it very helpful. Here's an example: (Look at the middle section)
You could use Screencast-O-Matic The free version, has a max record time of 15 minutes (for one video), and puts a slight Wave Mark at the bottom left, but other than that I found it very helpful. Here's an example: (Look at the middle section)