I go a little Wireless USB adapter super cheap. No documentation. Windows 7 had no idea, no clue at all. So I tried Windows 10.
Windows 10 found a drive and it worked right away. It says it found a
Realtek RTL8188EU WIRELESS With that information, I was able to find a driver that works on Windows XP and Windows 7. Too bad Windows 7 could not ID the chip.
So, this is good news. Windows 10 does a good job of finding drivers for things that are not labeled. Now I feel better about Windows 10.