May I add a point or two? Your friend's computer, did it have Windows pre-installed? If people had to install Microsoft Windows would they find it so easy? I do not think so. In the beginning Microsoft only knew of the existence of one keyboard layout and that was USA.
The wireless pass phase is usually an alpha-numeric combination. Is it so hard to work out the correct keys for those few letters? An ethernet connection is preferable anyway. There might not be a driver module for the driver adapter.
Regards.
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