Hi Viktor
When you re-install Windows, choose not to supply an Email Address, that will then create a local account and the name on that folder will be correct
When you install Windows 10 and start with a Microsoft Account, that will name that user folder with a truncated version of your name . . .
It is not easy to change the name on that user folder, and probably not advised to do so . . .
However, here is a safe method to change the name on that folder, by Shawn Brink, which can be trusted:
https://www.tenforums.com/tutorials/89060-chang...
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