Thank you for your fast reply. I've downloaded the correction language, so it should be fine for repair install *happy*
I don't need it at the moment, but in case ... I would like to have a...

I've downloaded a (nearly) fitting iso of windows 10 pro, but it is "Windows 10 Pro Technical Preview 10.0.10586". My system states "Microsoft Windows 10 Pro 10.0.10586". Can I use this for a repair...