Since series are media files, "installation" refers to extracting and playing them correctly:
Disclaimer: This post is for educational purposes about file compression technology. Downloading copyrighted material without permission may violate laws in your country. Always support creators when possible.
than older formats like H.264 without losing noticeable visual quality. Look for files labeled as Saves significant storage space and reduces data usage during download. 2. How to Download Safely
A video should never be an executable file. If you are prompted to download an to "watch" a series, it is likely 3. "Installing" and Extracting Files
Before you click a download link, you need to understand what you are getting.