Joul1

> Hi Julian, Could be a problem with windows. I recommend to use a Linux distribution like [Ubuntu](https://ubuntu.com/download/desktop). Regarding conda: [Conda Cheat Sheet](https://docs.conda.io/projects/conda/en/4.6.0/_downloads/52a95608c49671267e40c689e0bc00ca/conda-cheatsheet.pdf) Thank you for the fast answer. Strangely...

Yes, downgrading to 3.9 worked. Thank you so much for your help!