Show Seconds in Taskbar Clock

<#
.SYNOPSIS
    Show Seconds in Taskbar Clock.

.DESCRIPTION
    Adds a seconds display to the taskbar clock.

    Sets HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced \ ShowSecondsInSystemClock to 1.

.EXAMPLE
    .\Set-ShowSecondsInTaskbarClock.ps1
#>

[CmdletBinding()]
param()

$regPath = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced'

if (-not (Test-Path $regPath)) {
    New-Item -Path $regPath -Force | Out-Null
}

New-ItemProperty -Path $regPath -Name 'ShowSecondsInSystemClock' -Value 1 -PropertyType DWord -Force | Out-Null

Write-Host "Show Seconds in Taskbar Clock applied. Sign out and back in (or restart explorer.exe) for it to fully take effect." -ForegroundColor Green