TmEE

The driver must supply a WiFi client program from which you need to select your WiFi network and make a connection. Generally there is no support for WPA2 in 98SE compatible drivers so you may have to change the security settings from the router.

Raw DX files that the package installs aren't even 10MBytes total uncompressed...

If bandwidth is a problem I can offer free webspace on my personal server. Currently I got over 700GB of space there and my bandwidth is unlimited (I can move hundreds of GBytes of data if I want and it will still cost me 31€ per month). My connection has up to 20MBit upload speed so when there's not a lot of traffic people will get speeds exceeding 1MByte/sec. Also the server is powered by Win98SE + uSP 3.2x

I install MSIE6 to get proper view of Japanese (and Chinese) characters on websites in other browsers.

Here's the English version : http://www.tmeeco.eu/Fileden/nusb36e.exe

A tester of mine found a really unlikely fix : When you enable Stereo Mix in the sound settings then there are no more crashes ! It fixes some games too, like Bioshock according to him. As for unicode, I have been having some problems making my compiler understand it right so I have not managed to test things around it.