Get FilmOn Streams

filmon.ps1

################################################################################
### Simple PowerShell script that gets FilmOn stream URL based on channel id. 
### A picker for some populare UK channels is provided. 
### 
### :: HOW TO RUN
### Run the following to watch FilmOn channel 14 (= BBC One)
###  & ./filmon.ps1 14
### Run the following to see the channel picker, and manually select the channel
###  & ./filmon.ps1
################################################################################

function FilmonPicker {
    $channels = @{"Channel 5" = 22; "BBC One" = 14; "BBC Two" = 25; "BBC Four" = 103; "ITV" = 11; "ITV2" = 67; "Channel 4" = 2}
    foreach ($h in $channels.GetEnumerator() | Sort-Object Name) {
        Write-Host ("{0,5} {1}" -f ("("+$($h.Value)+")"), $($h.Name))
    }
    $id = Read-Host -Prompt 'Enter channel ID'
    return $id
}

function Filmon ([int]$id) {
    $response = Invoke-WebRequest -Uri "http://www.filmon.com/" -Method Get

    $web = new-object net.webclient
    $web.Headers.add("Cookie", $response.Headers['Set-Cookie'])
    $web.Headers.add("X-Requested-With", "XMLHttpRequest")
    $web.Headers.add("User-Agent", "Mozilla/5.0")
    $result = $web.DownloadString("https://www.filmon.com/ajax/getChannelInfo?channel_id={0}" -f $id)
    $elems = $result | ConvertFrom-Json

    start-process "C:\Program Files (x86)\DAUM\PotPlayer\PotPlayer.exe" -argumentlist ('"{0}"' -f $elems.streams[1].url) -windowstyle hidden
}

if($args.Length -ge 1){
    $id = $args[0]
} else {
    $id = FilmonPicker
}

Filmon $id

hello...thanks for the script.. where do i install this script and pass command ? and requirements .. thanks for you time