Here is a 4 minute video demonstrating the strumstick for beginners
To save to your computer:
Mac: option click (will go to previously selected downloads destination)
Windows : right click, select destination folder (target)
You will need Quicktime, which is free, available for Windows and Mac at this link.
Quicktime Download Page
If you have an older operating system than listed on the above page, check this page
Earlier Versions of Quicktime