I do not recommend using Fox Manager. Their repos are outdated. Better search for modules directly on github or just type “module-name-here releases” in your search engine and there is a 99% chance that you will get the latest version.
Edit: Some modules can be updated directly in magisk app.
I installed Lineage OS on my device. Installing it was surprisingly easy.
It has been years since I have installed a custom rom on my device....