[http://www.amazon.com/gp/product/B004I6AZNO?ie=UTF8&tag=rab777hp-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B004I6AZNO|This is probably your best option], a lot of people use KB Covers for this purpose, since it's cheaper and easier than buying and installing a whole new keyboard, plus you can always remove it if necessary or if you want to sell it, etc. Whenever people are looking for AZERTY keyboard I refer them to one of these, but here is their QWERTZ model.