Add Windows 11 26H2 deployment support

.github/instructions/osdcloud-catalog-update.instructions.md

@@ -63,6 +63,7 @@ Each `<File>` element contains:
      '22631' { $OSName = 'Windows 11'; $OSVersion = '23H2' }
      '26100' { $OSName = 'Windows 11'; $OSVersion = '24H2' }
      '26200' { $OSName = 'Windows 11'; $OSVersion = '25H2' }
+    '26300' { $OSName = 'Windows 11'; $OSVersion = '26H2' }
      '28000' { $OSName = 'Windows 11'; $OSVersion = '26H1' }
        # add new build here:
      '<build>' { $OSName = 'Windows 11'; $OSVersion = '<Ver>' }
@@ -77,8 +78,8 @@ Each `<File>` element contains:
    ```json
    {
      "OperatingSystem": {
-       "default": "Windows 11 <Ver>",
-       "values": ["Windows 11 <Ver>", "Windows 11 25H2", "Windows 11 24H2"]
+       "default": "Windows 11 26H2",
+       "values": ["Windows 11 26H2", "Windows 11 25H2", "Windows 11 24H2"]
      }
    }
    ```

.github/instructions/workflow-tasks.instructions.md

@@ -156,8 +156,8 @@ Each channel provides OS picker configuration per architecture.
 ```json
 {
   "OperatingSystem": {
-    "default": "Windows 11 25H2",
-    "values": ["Windows 11 25H2", "Windows 11 24H2", "Windows 11 23H2"]
+    "default": "Windows 11 26H2",
+    "values": ["Windows 11 26H2", "Windows 11 25H2", "Windows 11 24H2"]
   },
   "OSActivation": {
     "default": "Retail",

CHANGELOG.md

@@ -2,6 +2,22 @@
 
 All notable changes to this project will be documented in this file.
 
+## 26.9.29.1 - September 29, 2026
+
+### Added
+
+- Added Windows 11 26H2 operating system catalog support for build `26300.9457` on amd64 and arm64.
+- Added `SetupComplete.cmd` and `OOBE.cmd` initialization after Windows image expansion for post-installation tasks.
+
+### Changed
+
+- Module version bumped to `26.9.29.1` and identified as the Windows 11 26H2 release.
+- Changed the default Windows 11 release from 25H2 to 26H2 across deployment workflows, USB cache updates, operating system selection helpers, and the default workflow UI.
+- Updated Microsoft Update Catalog driver searches to prioritize 26H2 before earlier Windows releases.
+- Refreshed the HP driver pack catalog.
+- Updated generated Lenovo and Microsoft Surface driver pack installation scripts with RecastOSDCloud branding.
+- Updated deployment documentation and catalog and workflow maintenance guidance for Windows 11 26H2.
+
 ## 26.9.25.1 - September 25, 2026
 
 ### Added

OSDCloud/OSDCloud.psd1

@@ -8,7 +8,7 @@
 @{
     # --- Identity ---
     RootModule        = 'OSDCloud.psm1'
-    ModuleVersion     = '26.9.25.1'
+    ModuleVersion     = '26.9.29.1'
     CompatiblePSEditions = @('Core','Desktop')
     GUID              = '2fbd5c65-79c7-4561-9a2e-c4a4eebc89c7'
 
@@ -18,7 +18,7 @@
     Copyright         = '(c) 2026 Recast Software. All rights reserved.'
     Description          = @'
 Recast OSDCloud PowerShell Module
-Workplace Ninja Summit Release
+Windows 11 26H2 Release
 PowerShell module for OSDCloud v2 deployment automation and WinPEStartup from recastsoftware.com.
 Includes operating system, driver pack, and device provisioning workflows.
 '@

OSDCloud/private/core-cache/Update-RecastOSDCloudUSBCache.ps1

@@ -68,9 +68,9 @@ function Update-RecastOSDCloudUSBCache {
 
         [Parameter(Mandatory = $false, HelpMessage = 'Operating system release identifier for deployment selection.')]
         [ValidateNotNullOrEmpty()]
-        [ValidateSet('25H2', '24H2', '23H2', '22H2', '21H2')]
+        [ValidateSet('26H2', '25H2', '24H2', '23H2', '22H2', '21H2')]
         [string]
-        $OSReleaseID = '25H2',
+        $OSReleaseID = '26H2',
 
         [Parameter(Mandatory = $false, HelpMessage = 'Operating system language code for deployment selection.')]
         [ValidateNotNullOrEmpty()]

OSDCloud/private/core-operatingsystem/ConvertTo-OSDCoreOperatingSystemInfo.ps1

@@ -12,9 +12,9 @@ function ConvertTo-OSDCoreOperatingSystemInfo {
     Five-digit Windows build number to convert.
 
     .EXAMPLE
-    ConvertTo-OSDCoreOperatingSystemInfo -OSBuild '26200'
+    ConvertTo-OSDCoreOperatingSystemInfo -OSBuild '26300'
 
-    Returns Windows 11 25H2 operating system release information.
+    Returns Windows 11 26H2 operating system release information.
 
     .INPUTS
     None
@@ -48,6 +48,7 @@ function ConvertTo-OSDCoreOperatingSystemInfo {
         '22631' { $OSName = 'Windows 11'; $OSVersion = '23H2' }
         '26100' { $OSName = 'Windows 11'; $OSVersion = '24H2' }
         '26200' { $OSName = 'Windows 11'; $OSVersion = '25H2' }
+        '26300' { $OSName = 'Windows 11'; $OSVersion = '26H2' }
         '28000' { $OSName = 'Windows 11'; $OSVersion = '26H1' }
         default { return }
     }

OSDCloud/private/core-operatingsystem/Set-OSDCoreOperatingSystemCloudObject.ps1

@@ -74,7 +74,7 @@ function Set-OSDCoreOperatingSystemCloudObject {
 
         [Parameter(Mandatory = $false)]
         [ValidateNotNullOrEmpty()]
-        [string]$OSReleaseID = '25H2',
+        [string]$OSReleaseID = '26H2',
 
         [Parameter(Mandatory = $false)]
         [ValidateNotNullOrEmpty()]

OSDCloud/private/microsoft-update-catalog/Save-MicrosoftUpdateCatalogDriver.ps1

@@ -113,7 +113,7 @@ function Save-MicrosoftUpdateCatalogDriver {
 
                     try {
                         # Define version search order (newest to oldest)
-                        $VersionSearchOrder = @('25H2', '24H2', '23H2', '22H2', '21H2', 'Vibranium', '1903', '1809')
+                        $VersionSearchOrder = @('26H2', '25H2', '24H2', '23H2', '22H2', '21H2', 'Vibranium', '1903', '1809')
 
                         # Search for driver with version-specific queries first
                         foreach ($Version in $VersionSearchOrder) {

OSDCloud/private/steps/4-install/step-install-expandwindowsimage.ps1

@@ -52,6 +52,15 @@ function step-install-expandwindowsimage {
         try {
             Write-Verbose -Message "[$(Get-Date -format s)] [$($MyInvocation.MyCommand.Name)] Running Expand-WindowsImage with parameters: $($Params | Out-String)"
             Expand-WindowsImage @Params | Out-Null
+            # Create SetupComplete.cmd if it does not exist
+            $setupCompletePath = 'C:\Windows\Setup\Scripts\SetupComplete.cmd'
+            if (-not (Test-Path $setupCompletePath)) {
+                New-Item -Path $setupCompletePath -ItemType File -Force | Out-Null
+            }
+            # Create SetupComplete.cmd
+            ":: RecastOSDCloud $(Get-Date -format s)" | Out-File -FilePath $setupCompletePath -Append -Encoding ascii -Width 2000 -Force
+            # Create OOBE.cmd
+            ":: RecastOSDCloud $(Get-Date -format s)" | Out-File -FilePath 'C:\Windows\Setup\Scripts\OOBE.cmd' -Append -Encoding ascii -Width 2000 -Force
         }
         catch {
             Write-Warning "[$(Get-Date -format s)] Expand-WindowsImage failed."

OSDCloud/private/steps/5-drivers/step-Save-WindowsDriver-DriverPack.ps1

@@ -287,8 +287,7 @@ function step-Save-WindowsDriver-DriverPack {
 
 $Content = @"
 :: ========================================================
-:: OSDCloud DriverPack Installation for Lenovo
-:: ========================================================
+:: RecastOSDCloud DriverPack Installation for Lenovo
 $DownloadedFile /SILENT /SUPPRESSMSGBOXES
 reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\UnattendSettings\PnPUnattend\DriverPaths\1" /v Path /t REG_SZ /d "C:\Drivers" /f
 pnpunattend.exe AuditSystem /L
@@ -308,8 +307,7 @@ rd /s /q C:\Windows\Temp\osdcloud-driverpack-download
 
 $Content = @"
 :: ========================================================
-:: OSDCloud DriverPack Installation for Lenovo
-:: ========================================================
+:: RecastOSDCloud DriverPack Installation for Lenovo
 $DownloadedFile /SILENT /SUPPRESSMSGBOXES
 reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\UnattendSettings\PnPUnattend\DriverPaths\1" /v Path /t REG_SZ /d "C:\Drivers" /f
 pnpunattend.exe AuditSystem /L
@@ -358,8 +356,7 @@ rd /s /q C:\Windows\Temp\osdcloud-driverpack-download
 
 $Content = @"
 :: ========================================================
-:: OSDCloud DriverPack Installation for Microsoft Surface
-:: ========================================================
+:: RecastOSDCloud DriverPack Installation for Microsoft Surface
 msiexec /i $DownloadedFile /qn /norestart /l*v C:\Windows\Temp\osdcloud-logs\drivers-driverpack-microsoft.log
 rd /s /q C:\Windows\Temp\osdcloud-driverpack-download
 :: ========================================================

OSDCloud/workflow/cli/os-amd64.json

@@ -1,7 +1,7 @@
 {
   "OperatingSystem": {
-    "default": "Windows 11 25H2",
-    "values": ["Windows 11 25H2", "Windows 11 24H2", "Windows 11 23H2", "Windows 11 22H2", "Windows 11 21H2", "Windows 10 22H2"]
+    "default": "Windows 11 26H2",
+    "values": ["Windows 11 26H2", "Windows 11 25H2", "Windows 11 24H2", "Windows 11 23H2", "Windows 11 22H2", "Windows 11 21H2", "Windows 10 22H2"]
   },
   "OSActivation": {
     "default": "Retail",

OSDCloud/workflow/cli/os-arm64.json

@@ -1,7 +1,7 @@
 {
   "OperatingSystem": {
-    "default": "Windows 11 25H2",
-    "values": ["Windows 11 25H2", "Windows 11 24H2", "Windows 11 23H2", "Windows 11 22H2", "Windows 11 21H2", "Windows 10 22H2"]
+    "default": "Windows 11 26H2",
+    "values": ["Windows 11 26H2", "Windows 11 25H2", "Windows 11 24H2", "Windows 11 23H2", "Windows 11 22H2", "Windows 11 21H2", "Windows 10 22H2"]
   },
   "OSActivation": {
     "default": "Retail",

OSDCloud/workflow/default/os-amd64.json

@@ -1,7 +1,7 @@
 {
   "OperatingSystem": {
-    "default": "Windows 11 25H2",
-    "values": ["Windows 11 25H2", "Windows 11 24H2", "Windows 11 23H2"]
+    "default": "Windows 11 26H2",
+    "values": ["Windows 11 26H2", "Windows 11 25H2", "Windows 11 24H2", "Windows 11 23H2"]
   },
   "OSActivation": {
     "default": "Retail",

OSDCloud/workflow/default/os-arm64.json

@@ -1,7 +1,7 @@
 {
   "OperatingSystem": {
-    "default": "Windows 11 25H2",
-    "values": ["Windows 11 25H2", "Windows 11 24H2", "Windows 11 23H2"]
+    "default": "Windows 11 26H2",
+    "values": ["Windows 11 26H2", "Windows 11 25H2", "Windows 11 24H2", "Windows 11 23H2"]
   },
   "OSActivation": {
     "default": "Retail",

OSDCloud/workflow/default/ux/MainWindow.xaml

@@ -127,7 +127,7 @@
 
                             <TextBlock Grid.Row="2" Grid.Column="0" Text="Operating System" VerticalAlignment="Center" FontWeight="SemiBold" Foreground="#3b455a" Margin="4" />
                             <ComboBox Grid.Row="2" Grid.Column="1" x:Name="OperatingSystemCombo" Margin="4" Height="24" FontWeight="SemiBold" />
-                            <TextBlock Grid.Row="2" Grid.Column="3" Grid.ColumnSpan="3" x:Name="SelectedIdText" Text="Default Windows 11 25H2 amd64 Retail en-us 26200.7462" VerticalAlignment="Center" FontWeight="SemiBold" Foreground="DarkGray" TextWrapping="Wrap" Margin="4" />
+                            <TextBlock Grid.Row="2" Grid.Column="3" Grid.ColumnSpan="3" x:Name="SelectedIdText" Text="Default Windows 11 26H2 amd64 Retail en-us 26300.9457" VerticalAlignment="Center" FontWeight="SemiBold" Foreground="DarkGray" TextWrapping="Wrap" Margin="4" />
 
                             <TextBlock Grid.Row="3" Grid.Column="0" Text="Language" VerticalAlignment="Center" FontWeight="SemiBold" Foreground="#3b455a" Margin="4" />
                             <ComboBox Grid.Row="3" Grid.Column="1" x:Name="OSLanguageCodeCombo" Margin="4" Height="24" FontWeight="SemiBold" />
@@ -140,7 +140,7 @@
                             <ComboBox Grid.Row="5" Grid.Column="1" x:Name="OSActivationCombo" Margin="4" Height="24" FontWeight="SemiBold" />
 
                             <TextBlock Grid.Row="6" Grid.Column="0" Text="FileName" VerticalAlignment="Center" FontWeight="SemiBold" Foreground="#3b455a" Margin="4" />
-                            <TextBlock Grid.Row="6" Grid.Column="1" Grid.ColumnSpan="5" Margin="4" x:Name="SelectedFileNameText" Text="Default 26200.7462.251207-0044.25h2_ge_release_svc_refresh_CLIENTCONSUMER_RET_x64FRE_en-us.esd" VerticalAlignment="Center" FontWeight="SemiBold" Foreground="DarkGray" TextWrapping="Wrap" />
+                            <TextBlock Grid.Row="6" Grid.Column="1" Grid.ColumnSpan="5" Margin="4" x:Name="SelectedFileNameText" Text="Default 26300.9457.260913-1737.26h2_ge_release_svc_refresh_CLIENTCONSUMER_RET_x64FRE_en-us.esd" VerticalAlignment="Center" FontWeight="SemiBold" Foreground="DarkGray" TextWrapping="Wrap" />
 
                             <TextBlock Grid.Row="8" Grid.Column="0" Text="DriverPack" VerticalAlignment="Center" FontWeight="SemiBold" Foreground="#3b455a" Margin="4" />
                             <ComboBox Grid.Row="8" Grid.Column="1" Grid.ColumnSpan="5" x:Name="DriverPackCombo" Margin="4" Height="24" FontWeight="SemiBold" SelectedIndex="0" />

README.md

@@ -6,7 +6,8 @@ OSDCloud is a PowerShell module for deploying Windows with cloud-hosted operatin
 
 ## Overview
 
-- Current repository module version: `26.9.25.1`.
+- Current repository module version: `26.9.29.1`.
+- Defaults to Windows 11 26H2 for amd64 and arm64 deployments.
 - Focused on Windows deployment workflows driven by PowerShell.
 - Supports WinPEStartup helpers and deployment UX options.
 - Provides cmdlets for device info, Wi-Fi setup, and module updates in PE.

docs/01-overview.md

@@ -18,7 +18,7 @@ Typical scenarios:
 | Provision a new PC for Autopilot enrolment | **Yes** — deploy Windows, hand off to OOBE. See [guide 8](08-autopilot-oobe.md). |
 | Deploy a custom corporate gold image | **No** — OSDCloud uses Microsoft ESDs. Use MDT/ConfigMgr or build a custom WIM. |
 | Air-gapped network (no internet) | **No** — OSDCloud downloads ESDs and driver packs at runtime. |
-| Deploy Windows 10 | **No** — current workflows target Windows 11 (25H2/24H2/23H2). |
+| Deploy Windows 10 | **No** — current workflows target Windows 11 (26H2/25H2/24H2). |
 
 ## Why use OSDCloud
 

docs/04-deploy-windows.md

@@ -85,7 +85,7 @@ only what you need:
 
 | Setting | Default | Notes |
 |---|---|---|
-| Operating System | Windows 11 25H2 | 24H2 and 23H2 also available |
+| Operating System | Windows 11 26H2 | 25H2 and 24H2 also available |
 | Activation | Retail | Use Volume for VL/MAK keys |
 | Edition | Pro | Home / Pro / Enterprise (+ Education and N variants on amd64) |
 | Language | en-us | 38 codes (amd64) / 37 codes (arm64) |

docs/05-customize-deployment.md

@@ -15,7 +15,7 @@ A workflow is a folder under `OSDCloud/workflow/` that bundles:
 - UI configuration.
 
 The module currently supports the `default` workflow for public deployments.
-Its settings allow Windows 11 25H2, 24H2, and 23H2 and use the standard
+Its settings allow Windows 11 26H2, 25H2, and 24H2 and use the standard
 40-step task.
 
 The module also contains a `cli` folder for the internal preview CLI
@@ -51,7 +51,7 @@ to Enterprise + en-gb:
 
 ```jsonc
 {
-  "OperatingSystem": { "default": "Windows 11 25H2", "values": ["Windows 11 25H2"] },
+  "OperatingSystem": { "default": "Windows 11 26H2", "values": ["Windows 11 26H2"] },
   "OSActivation":    { "default": "Volume",          "values": ["Volume"] },
   "OSEdition":       { "default": "Enterprise",      "values": [{ "Edition": "Enterprise", "EditionId": "Enterprise" }] },
   "OSLanguageCode":  { "default": "en-gb",           "values": ["en-gb"] }

docs/07-arm64-devices.md

@@ -48,7 +48,7 @@ The `default` channel ships these ARM64 options (`workflow/default/os-arm64.json
 
 | Setting | Default | Available values |
 |---|---|---|
-| Operating System | Windows 11 25H2 | 25H2, 24H2, 23H2 |
+| Operating System | Windows 11 26H2 | 26H2, 25H2, 24H2 |
 | Activation | Retail | Retail, Volume |
 | **Edition** | Pro | **Home, Pro, Enterprise only** — no N or Education editions |
 | Language | en-us | 37 codes (no `bs-latn-ba` or `ms-my`) |