Question: How do I install the Record extension?
Answer: You can install the Record extension from the Google Chrome store.
- Click this link to head to the Google Chrome store
- Click on the blue "Add to Chrome" button.
- Select "Add extension" in the confirmation box pop-up.
Screencastify will then begin downloading 
Note: If you've installed the extension but the arrow icon is not appearing in the top right corner of your Chrome window, please see: I can't find the Screencastify extension.