You may start an Administrative PowerShell from a separate shell by using the
-Verb RunAs parameter like this:
Using the UI
If you have access to a UI you may access the Power User Menu on Windows using
Windows + X. From here click
Windows PowerShell (Admin). Make sure “Replace Command Prompt with Windows PowerShell in the menu when I right-click the start button or press Windows key+X” is enabled in your Windows settings.
This works with other programs as well. If you want an admin Command Prompt for example you might run this: