Search for windows and processes

[extratype]

We can search for files opened by a process in Everything 1.5a. What about windows and processes? Find a window and activate (set to foreground) it, close it, or terminate the owning process. Here is C# source code of Microsoft PowerToys Run for reference.

[therube]

(Aside from Everything, you might find something of use in Nirsoft's house, like, NirCmd.)