The Voot app does not support the download feature. However, you can download serials from Voot with the help of a third-party app: Adownloader.
Follow the instructions below to learn how:
Download Adownloader
Visit Voot.com and choose a show you want to download
Copy and paste the link to said Voot show in Adownloader
Click on the search button
Choose Video resolution
Select Yes
Wait for the download to finish and that’s it!