Page 7 (as labeled) of the slides. The tabs and checkboxes layout have a distinctly Win 9x era look/feel. I do agree that it's missing an obvious menu, and the theme for the window decorations reminds me of win 3.1, but that was probably an option for software of that era just as it is in this if someone pushes hard enough.

Perhaps you just aren't old enough? It looks very Windows 95 to me.

Age has nothing to do with it, the interface just doesn't look like Windows 95.

The button shapes, minimize/close window buttons, the titlebar are all looking wrong for Windows 95.

It looks significantly more like Swing, but then the buttons don't match that either.