Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
The extension that generates the thumbnails is 32bit only, so it'll only be initialised by 32bit explorer or an 32bit app browsing through the folder with an open/save dialog.
Edit: You'll see the same thing with anything 32bit that is involved in thumbnail generation, 64bit explorer won't generate thumbnails for video files that only have 32bit codecs installed.