Generate a new password using PowerShell

New-Password.ps1

function New-Password ($length)
{
    [string]$Password = ''
    [array]$lower = @('a','b','c','d','e','f','g','h','i','j','k','l','n','m','n','o','p','q','r','s','t','u','v','w','x','y','z')
    [array]$upper = @('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z')
    [array]$symbol = @('!','"','£','$','%','^','&','*','(',')',',','.','@','#')
    [array]$num = @('1','2','3','4','5','6','7','8','9','0')
    [array]$rand = @($lower,$upper,$symbol,$num)
    
    for ($i = 1; $i -lt $length+1; $i++)
    { 
      $RandChar = Get-Random -InputObject (Get-Random -InputObject $rand)
      $Password += $RandChar
    }

    return $Password
}
#Use New-Password 10