General info:
In Netscape, the font can be changed by going in the menu to Edit/Preferences/Appearance/Fonts, and by choosing as Variable Width Font: Times. In Explorer this can be done by going in the menu to Tools/Internet Options/Fonts, and by choosing as Web Page Font: Times.
Troubleshooting:
For Linux and Unix, mpeg_play is a good choice to play the movies. It can be downloaded here, and for Linux there are rpm's available everywhere (see, for example, Rufus). To use mpeg_play with Netscape, open edit/Preferences/Navigator/Applications in your menu, and Edit Description MPEG Video. As application, fill in:mpeg_play -dither color -quiet %s (or, if you have a very old screen, try mpeg_play -dither fs2fast -quiet %s).
Obviously, there are many other MPEG-players available. All information about configuring your web browser to play MPEG Video can be found here. For Mac users, QuickTime should work.
The making of: