Hello!
Just a quick search, but hopefully, it may help.
Official Unity tutorials:
https://learn.unity.com/tutorials
Alternative Unity turorials:
https://www.raywenderlich.com/unity/paths/learn
Video-tutorials:
Beginner
https://www.youtube.com/c/Brackeys
Advanced
https://www.youtube.com/c/quill18creates
Starting with C#
This is a link to the Microsoft Learn platform (sigh, how I miss MVA):
https://docs.microsoft.com/en-us/users/dotnet/collections/yz26f8y64n7k07
Hope this helps...
Cheers!