Is there a keyboard shortcut to paste in the Windows command prompt (or at least powershell)?
I'm aware that you can right click, but it would be handy if it was possible without touching the mouse.
Press Alt+Space followed by E and finally P
This will open the alt Menu > Edit > Paste
Checkout this Stackoverflow article. They provide an AutoHotKey script. If you aren't familiar with AutoHotKey you should be. It is a free application that allows you to automate a ton of things on Windows. I use it for a number of tasks. You can even compile the scripts and then just run the executable. Great for distribution to less tech savvy folks or for running off a thumb drive for portability.
They also mention this: