Install PowerShell

Install PowerShell 3

For Windows 7

Windows 7 does not come with PowerShell 3 by default. You need to install Windows Management Framework 3.0 which includes PowerShell 3

Download Windows Management Framework 3.0

For Windows 8 and above

If you have Windows 8: You don't have to do anything. PowerShell 3.0 comes with Windows 8.