How are we supposed to register this? I got no information for this in the download, a single file only and thought it was self registered. Today, I see it is asking for a User ID and Registration code and telling me I have a trial version.

OdGuy is right, it is nice to understand what this sw does. If anybody wants to put directly playable videos on his/her page, this seems to be a good tool. But who needs this today? I not...
In any case an interesting sw with functionality not so often offered here on gotd, so thumbs up.

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There are options as well for exporting the video as WebM, OGG, and flash (which isn't HTML5 and is deprecated, but perhaps it's nice to have for another few months).
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Flash is needed for browsers that do not support HTML5

It is useful w.r.t. this offering to understand what they are talking about. Wikipedia helps:
https://en.wikipedia.org/wiki/HTML5_video

"The HTML5 specification introduced the video element for the purpose of playing videos,[1] partially replacing the object element. HTML5 video is intended by its creators to become the new standard way to show video on the web, instead of the previous de facto standard of using the proprietary Adobe Flash plugin, though early adoption was hampered by lack of agreement as to which video coding formats and audio coding formats should be supported in web browsers. "

So apparently this produces a web page with the element around your video. Now all you need is a server hosting your web page apparently.

Droo, so are you saying mp4 web optimised is = to HTML5 video? I honestly don't know.

I tried to convert an approximately 1 GB 1080p MP4 file to "HTML5". It seems to just wrap the video in an HTML video playing wrapper -- so, it's useful if you need that sort of thing. It appears to be ready-for-deployment on a server, with a minimal working HTML file.

It did take an hour, however, to seemingly only reduce the file by about 150 MB (and I specified the file output to be MP4 as well) in addition to this HTML5 wrapping. So, not necessarily the quickest. The quality seems slightly poorer, even at "high" quality, but certainly not deficiently poorer; the quality would be sufficient for most users' needs, including my own.

There are options as well for exporting the video as WebM, OGG, and flash (which isn't HTML5 and is deprecated, but perhaps it's nice to have for another few months). I'm guessing they similarly convert and place the input video in their respective wrappers.

All in all, it's a neat program, though a little slow. If you want to place videos on your server/website with more personal control than going through YouTube or Microsoft OneDrive or something akin, you may as well get it today.

Amazing

What does it do compared to the standard way which is so easy?