Just go to the International Settings bit of the menu thing in the control panel, and change the 'input language' to English (UK).
The you can continue to type as normal regardless of the rubbish is plastered over the front of the keys (you know, those weird letters with dots and slashes over them... totally unnecessary for any civilised writer).
My computer at home is permanently set up like that, although I did manage to annoy a few of my former colleagues when I'd set the work computers up the same way and then forget to change them back again...