To update Windows 11 23H2 to 24H2 using PowerShell, you can use the Windows Update Assistant or directly run the setup from an ISO file. Here are the recommended methods:

Method 1: Use the Windows 11 Installation Assistant via PowerShellThis method downloads and runs the official update tool silently.

# Define the URL and temporary path
$Win11UpgradeURL = “https://go.microsoft.com/fwlink/?linkid=2171764″$UpgradePath = “$env:TEMPWindows11InstallationAssistant.exe

Define the URL and temporary path

$Win11UpgradeURL = “https://go.microsoft.com/fwlink/?linkid=2171764”
$UpgradePath = “$env:TEMPWindows11InstallationAssistant.exe”

Download the installer

$WebClient = New-Object System.Net.WebClient
$WebClient.DownloadFile($Win11UpgradeURL, $UpgradePath)

Run the installer silently

Start-Process -FilePath $UpgradePath -ArgumentList “/quietinstall /skipeula /auto upgrade /NoRestartUI” -Wait -NoNewWindow

Source: powershell update windows 11 to 24h2 – Brave Search