Taking screenshots used to be something that would require a third party program. This was especially true if you wanted more sophisticated capabilities, like the ability to annotate screenshots. While there are still third party programs for doing this, many of these features have been integrated right into the Windows and Mac operating system. Here's how to make use of the screenshot features in Windows and Mac.
Since Alan won't be on camera for this, Leo recommends getting the Audio-Technica AT2020USB. The advantage of this microphone is that it's a USB mic, so he can plug it directly into his computer. Alan will need screen recording software next. For this, Leo recommends TechSmith, which offers two different programs. One is the less expensive Snagit, which is more basic.