Посмотреть ключ wifi.

Enter-PSSession -ComputerName 
Testfunction ConvertTo-Encoding ([string]$From, [string]$To){
    Begin{
        $encFrom = [System.Text.Encoding]::GetEncoding($from)
        $encTo = [System.Text.Encoding]::GetEncoding($to)
    }
    Process{
        $bytes = $encTo.GetBytes($_)
        $bytes = [System.Text.Encoding]::Convert($encFrom, $encTo, $bytes)
        $encTo.GetString($bytes)
    }
}
netsh wlan show profile test key=clear | ConvertTo-Encoding cp866 windows-1251