there are wonderful books, that go deep into the language, or provide bunch of solutions to practical problems. Pick your poison:

Powershell in Depth [1]

Powershell Cookbook [2]

[1] https://www.manning.com/books/powershell-in-depth

[2] https://www.oreilly.com/library/view/powershell-cookbook-4th...

A lot of commenters are calling this fake. Maybe it is. But I don't think it is.

I know too many people who've done this during the pandemic, by reading through Automate The Boring Stuff with Python[1] or one[2] of a number[3] of PowerShell books and automate some/all parts of their jobs.

1. https://automatetheboringstuff.com/

2. https://www.oreilly.com/library/view/powershell-cookbook-4th...

3. https://www.amazon.com/Learn-Windows-PowerShell-Month-Lunche...