You cannot download from the original MegaVideo—that ship sailed in 2012. But if you are trying to save a video from or any embedded web player:
From MegaVideo to Mega.nz: How to Download Videos for Offline Viewing (2026 Guide) download video from megavideo
Megavideo videos were not stored on a single static URL. The website generated a unique "s=" (server) and "k=" (decryption key) parameter for every session. You cannot download from the original MegaVideo—that ship
Note: Quality is lower than a direct download, and the file size is large. Note: Quality is lower than a direct download,
It is no longer possible to download videos from this specific site as the servers are offline and the domain is defunct.
If the video uses DRM protection (like Netflix or Amazon Prime—don't do this) or HLS streaming that you can't crack, you can record your screen.