PS> Set-ExecutionPolicy RemoteSigned -Scope CurrentUser

PS> Import-Module PsGet
PS> Install-Module PSReadline

if ($host.Name -eq 'ConsoleHost') {
    Import-Module PsGet

    Import-Module PSReadline
    Set-PSReadlineOption -EditMode Emacs
    Set-PSReadlineKeyHandler -Chord 'Shift+PageUp' `
                             -Function ScrollDisplayUp
    Set-PSReadlineKeyHandler -Chord 'Shift+PageDown' `
                             -Function ScrollDisplayDown
    Set-PSReadlineKeyHandler -Chord 'Ctrl+LeftArrow' `
                             -Function ShellBackwardWord
    Set-PSReadlineKeyHandler -Chord 'Ctrl+RightArrow' `
                             -Function ShellForwardWord
}