Install Scoop
A command-line installer for Windows

iex (new-object net.webclient).downloadstring('')

Install a nicer prompt

Install pshazz via concfg
Give your powershell some pizazz.

scoop install pshazz

Install concfg
concfg is a utility to import and export Windows console settings like fonts and colors.

scoop install concfg

This is not just for PowerShell but also for cmd.

Install theme

Install a preset theme Solarized via concfg

concfg import solarized

Visual Studio IDE

In Visual Studio you can install the Open Command Line extension. This will open a command line of your choice with the CTRL+space shortcut. Configure it to open PowerShell (instead of default cmd). Don't forget to restart VS.