diff --git a/FFUDevelopment/BuildFFUVM.ps1 b/FFUDevelopment/BuildFFUVM.ps1
index d09359b..3d98155 100644
--- a/FFUDevelopment/BuildFFUVM.ps1
+++ b/FFUDevelopment/BuildFFUVM.ps1
@@ -201,7 +201,11 @@ param(
     [Parameter(Mandatory = $false, Position = 0)]
     [ValidateScript({ Test-Path $_ })]
     [string]$ISOPath,
-    [ValidateSet('Home', 'Home N', 'Home Single Language', 'Education', 'Education N', 'Pro', 'Pro N', 'Pro Education', 'Pro Education N', 'Pro for Workstations', 'Pro N for Workstations', 'Enterprise', 'Enterprise N')]
+    [ValidateScript({
+            $allowedSKUs = @('Home', 'Home N', 'Home Single Language', 'Education', 'Education N', 'Pro', 'Pro N', 'Pro Education', 'Pro Education N', 'Pro for Workstations', 'Pro N for Workstations', 'Enterprise', 'Enterprise N', 'Standard', 'Standard (Desktop Experience)', 'Datacenter', 'Datacenter (Desktop Experience)')
+            if ($allowedSKUs -contains $_) { $true } else { throw "Invalid WindowsSKU value. Allowed values: $($allowedSKUs -join ', ')" }
+            return $true
+        })]
     [string]$WindowsSKU = 'Pro',
     [ValidateScript({ Test-Path $_ })]
     [string]$FFUDevelopmentPath = $PSScriptRoot,
@@ -267,7 +271,7 @@ param(
     [string]$ProductKey,
     [bool]$BuildUSBDrive,
     [Parameter(Mandatory = $false)]
-    [ValidateSet(10, 11)]
+    [ValidateSet(10, 11, 2016, 2019, 2022, 2025)]
     [int]$WindowsRelease = 11,
     [Parameter(Mandatory = $false)]
     [string]$WindowsVersion = '23h2',
@@ -1164,10 +1168,21 @@ function Get-DellDrivers {
         [string]$Model,
         [Parameter(Mandatory = $true)]
         [ValidateSet("x64", "x86", "ARM64")]
-        [string]$WindowsArch
+        [string]$WindowsArch,
+        [Parameter(Mandatory = $true)]
+        [string]$WindowsRelease
     )
 
-    $catalogUrl = "http://downloads.dell.com/catalog/CatalogPC.cab"
+    if ($WindowsRelease -le 11) {
+        $catalogUrl = "http://downloads.dell.com/catalog/CatalogPC.cab"
+        $DellCabFile = "$DriversFolder\CatalogPC.cab"
+        $DellCatalogXML = "$DriversFolder\CatalogPC.XML"
+    } else {
+        $catalogUrl = "https://downloads.dell.com/catalog/Catalog.cab"
+        $DellCabFile = "$DriversFolder\Catalog.cab"
+        $DellCatalogXML = "$DriversFolder\Catalog.xml"
+    }
+    
     if (-not (Test-Url -Url $catalogUrl)) {
         WriteLog "Dell Catalog cab URL is not accessible: $catalogUrl Exiting"
         if ($VerbosePreference -ne 'Continue') {
@@ -1187,12 +1202,10 @@ function Get-DellDrivers {
     New-Item -Path $DriversFolder -ItemType Directory -Force | Out-Null
     WriteLog "Dell Drivers folder created"
 
-    $DellCabFile = "$DriversFolder\CatalogPC.cab"
     WriteLog "Downloading Dell Catalog cab file: $catalogUrl to $DellCabFile"
     Start-BitsTransferWithRetry -Source $catalogUrl -Destination $DellCabFile
     WriteLog "Dell Catalog cab file downloaded"
 
-    $DellCatalogXML = "$DriversFolder\CatalogPC.XML"
     WriteLog "Extracting Dell Catalog cab file to $DellCatalogXML"
     Invoke-Process -FilePath Expand.exe -ArgumentList "$DellCabFile $DellCatalogXML"
     WriteLog "Dell Catalog cab file extracted"
@@ -1206,7 +1219,19 @@ function Get-DellDrivers {
         $models = $component.SupportedSystems.Brand.Model
         foreach ($item in $models) {
             if ($item.Display.'#cdata-section' -match $Model) {
-                $validOS = $component.SupportedOperatingSystems.OperatingSystem | Where-Object { $_.osArch -eq $WindowsArch }
+	    	
+                if ($WindowsRelease -le 11) {
+                    $validOS = $component.SupportedOperatingSystems.OperatingSystem | Where-Object { $_.osArch -eq $WindowsArch }
+                } elseif ($WindowsRelease -eq 2016) {
+                    $validOS = $component.SupportedOperatingSystems.OperatingSystem | Where-Object { ($_.osArch -eq $WindowsArch) -and ($_.osCode -match "W14") }
+                } elseif ($WindowsRelease -eq 2019) {
+                    $validOS = $component.SupportedOperatingSystems.OperatingSystem | Where-Object { ($_.osArch -eq $WindowsArch) -and ($_.osCode -match "W19") }
+                } elseif ($WindowsRelease -eq 2022) {
+                    $validOS = $component.SupportedOperatingSystems.OperatingSystem | Where-Object { ($_.osArch -eq $WindowsArch) -and ($_.osCode -match "W22") }
+                } else {
+                    $validOS = $component.SupportedOperatingSystems.OperatingSystem | Where-Object { ($_.osArch -eq $WindowsArch) -and ($_.osCode -match "W22") }
+                }
+		
                 if ($validOS) {
                     $driverPath = $component.path
                     $downloadUrl = $baseLocation + $driverPath
@@ -1585,8 +1610,10 @@ function Get-WindowsESD {
     $cabFileUrl = if ($WindowsRelease -eq 10) {
         'https://go.microsoft.com/fwlink/?LinkId=841361'
     }
-    else {
+    elseif ($WindowsRelease -eq 11) {
         'https://go.microsoft.com/fwlink/?LinkId=2156292'
+    } else {
+        throw "Can't download Windows Server. Please download the Windows setup media from your subscription homepage."
     }
 
     # Download cab file
@@ -2230,16 +2257,21 @@ function Get-KBLink {
 }
 function Get-LatestWindowsKB {
     param (
-        [ValidateSet(10, 11)]
-        [int]$WindowsRelease
+        [Parameter(Mandatory)]
+        [ValidateSet(10, 11, 2016, 2019, 2022, 2025)]
+        [int]$WindowsRelease,
+        [Parameter(Mandatory)]
+        [string]$WindowsVersion
     )
         
     # Define the URL of the update history page based on the Windows release
     if ($WindowsRelease -eq 11) {
         $updateHistoryUrl = 'https://learn.microsoft.com/en-us/windows/release-health/windows11-release-information'
     }
-    else {
+    elseif ($WindowsRelease -eq 10) {
         $updateHistoryUrl = 'https://learn.microsoft.com/en-us/windows/release-health/release-information'
+    } else {
+        $updateHistoryUrl = 'https://learn.microsoft.com/en-us/windows/release-health/windows-server-release-info'
     }
         
     # Use Invoke-WebRequest to fetch the content of the page
@@ -2249,7 +2281,11 @@ function Get-LatestWindowsKB {
     $VerbosePreference = $OriginalVerbosePreference
         
     # Use a regular expression to find the KB article number
-    $kbArticleRegex = 'KB\d+'
+    if ($WindowsRelease -le 11) {
+        $kbArticleRegex = "(?:Version $WindowsRelease \(OS build d+\)(?!(KB)).)*?KB\d+"
+    } else {
+        $kbArticleRegex = "(?:Windows Server $WindowsRelease \(OS build d+\)(?!(KB)).)*?KB\d+"
+    }
     $kbArticle = [regex]::Match($response.Content, $kbArticleRegex).Value
         
     return $kbArticle
@@ -2370,9 +2406,13 @@ function Get-WimIndex {
     If ($ISOPath) {
         $wimindex = switch ($WindowsSKU) {
             'Home' { 1 }
+            'Standard' { 1 }
             'Home_N' { 2 }
+            'Standard (Desktop Experience)' { 1 }
             'Home_SL' { 3 }
+            'Datacenter' { 3 }
             'EDU' { 4 }
+            'Datacenter (Desktop Experience)' { 4 }
             'EDU_N' { 5 }
             'Pro' { 6 }
             'Pro_N' { 7 }
@@ -2403,8 +2443,13 @@ function Get-Index {
     
     # Get the ImageName of ImageIndex 1 if an ISO was specified, else use ImageIndex 4 - this is usually Home or Education SKU on ESD MCT media
     if($ISOPath){
-        $imageIndex = $imageIndexes | Where-Object ImageIndex -eq 1
-        $WindowsImage = $imageIndex.ImageName.Substring(0, 10)
+        if ($WindowsSKU -notmatch "Standard|Datacenter") {
+            $imageIndex = $imageIndexes | Where-Object ImageIndex -eq 1
+            $WindowsImage = $imageIndex.ImageName.Substring(0, 10)
+        } else {
+            $imageIndex = $imageIndexes | Where-Object ImageIndex -eq 1
+            $WindowsImage = $imageIndex.ImageName.Substring(0, 19)
+        }
     }
     else{
         $imageIndex = $imageIndexes | Where-Object ImageIndex -eq 4
@@ -2422,8 +2467,8 @@ function Get-Index {
         return $matchingImageIndex.ImageIndex
     }
     else {
-        # Look for either the number 10 or 11 in the ImageName
-        $relevantImageIndexes = $imageIndexes | Where-Object { ($_.ImageName -like "*10*") -or ($_.ImageName -like "*11*") }
+        # Look for the numbers 10, 11, 2016, 2019, 2022+ in the ImageName
+        $relevantImageIndexes = $imageIndexes | Where-Object { ($_.ImageName -match "(10|11|2016|2019|202\d)") }
             
         while ($true) {
             # Present list of ImageNames to the end user if no matching ImageIndex is found
@@ -2535,7 +2580,7 @@ function New-OSPartition {
     if ((Get-CimInstance Win32_OperatingSystem).Caption -match "Server") {
         WriteLog (Expand-WindowsImage -ImagePath $WimPath -Index $WimIndex -ApplyPath "$($osPartition.DriveLetter):\")
     }
-    if ($CompactOS) {
+    elseif ($CompactOS) {
         WriteLog '$CompactOS is set to true, using -Compact switch to apply the WIM file to the OS partition.'
         WriteLog (Expand-WindowsImage -ImagePath $WimPath -Index $WimIndex -ApplyPath "$($osPartition.DriveLetter):\" -Compact)
     }
@@ -3063,14 +3108,25 @@ Function Get-WindowsVersionInfo {
         Enterprise { 'Ent' }
         Education { 'Edu' }
         ProfessionalWorkstation { 'Pro_Wks' }
+	ServerStandard { 'Srv_Std' }
+        ServerDatacenter { 'Srv_Dtc' }
     }
     WriteLog "Windows SKU Modified to: $SKU"
 
-    if ($CurrentBuild -ge 22000) {
-        $Name = 'Win11'
-    }
-    else {
-        $Name = 'Win10'
+    if ($SKU -notmatch "Srv") {
+        if ($CurrentBuild -ge 22000) {
+            $Name = 'Win11'
+        }
+        else {
+            $Name = 'Win10'
+        }
+    } else {
+        $Name = switch ($CurrentBuild) {
+            26100 { '2025' }
+            20348 { '2022' }
+            17763 { '2019' }
+            Default { $DisplayVersion }
+        }
     }
     
     WriteLog "Unloading registry"
@@ -3791,7 +3847,7 @@ if (($make -and $model) -and ($installdrivers -or $copydrivers)) {
         if ($make -eq 'Dell'){
             WriteLog 'Getting Dell drivers'
             #Dell mixes Win10 and 11 drivers, hence no WindowsRelease parameter
-            Get-DellDrivers -Model $Model -WindowsArch $WindowsArch
+            Get-DellDrivers -Model $Model -WindowsArch $WindowsArch -WindowsRelease $WindowsRelease
             WriteLog 'Getting Dell drivers completed successfully'
         }
     }
@@ -4020,7 +4076,15 @@ try {
     #The Windows release info page is updated later than the MU Catalog
     if ($UpdateLatestCU -and -not $UpdatePreviewCU) {
         Writelog "`$UpdateLatestCU is set to true, checking for latest CU"
-        $Name = """Cumulative update for Windows $WindowsRelease Version $WindowsVersion for $WindowsArch"""
+        if ($WindowsRelease -le 11) {
+            $Name = """Cumulative update for Windows $WindowsRelease Version $WindowsVersion for $WindowsArch"""
+        } elseif ($WindowsRelease -eq 2022) {
+            $Name = """Cumulative Update for Microsoft server operating system, version $WindowsVersion for $WindowsArch"""
+        } elseif ($WindowsRelease -lt 2022) {
+            $Name = """Cumulative update for Windows 10 Version $WindowsVersion for $WindowsArch"""
+        } else {
+            $Name = """Cumulative update for Windows 11 Version $WindowsVersion for $WindowsArch"""
+        }
         #Check if $KBPath exists, if not, create it
         If (-not (Test-Path -Path $KBPath)) {
             WriteLog "Creating $KBPath"
@@ -4035,7 +4099,15 @@ try {
     #will take Precendence over $UpdateLastestCU if both were set to $true
     if ($UpdatePreviewCU) {
         Writelog "`$UpdatePreviewCU is set to true, checking for latest Preview CU"
-        $Name = """Cumulative update Preview for Windows $WindowsRelease Version $WindowsVersion for $WindowsArch"""
+	if ($WindowsRelease -le 11) {
+            $Name = """Cumulative update Preview for Windows $WindowsRelease Version $WindowsVersion for $WindowsArch"""
+        } elseif ($WindowsRelease -eq 2022) {
+            $Name = """Cumulative Update Preview for Microsoft server operating system, version $WindowsVersion for $WindowsArch"""
+        } elseif ($WindowsRelease -lt 2022) {
+            $Name = """Cumulative update Preview for Windows 10 Version $WindowsVersion for $WindowsArch"""
+        } else {
+            $Name = """Cumulative update Preview for Windows 11 Version $WindowsVersion for $WindowsArch"""
+        }
         #Check if $KBPath exists, if not, create it
         If (-not (Test-Path -Path $KBPath)) {
             WriteLog "Creating $KBPath"
@@ -4049,7 +4121,13 @@ try {
     #Update Latest .NET Framework
     if ($UpdateLatestNet) {
         Writelog "`$UpdateLatestNet is set to true, checking for latest .NET Framework"
-        $Name = "Cumulative update for .net framework windows $WindowsRelease $WindowsVersion $WindowsArch -preview"
+        if ($WindowsRelease -le 11) {
+            $Name = "Cumulative update for .net framework windows $WindowsRelease $WindowsVersion $WindowsArch -preview"
+        } elseif ($WindowsRelease -le 2022) {
+            $Name = "Cumulative update for .net framework windows 10 $WindowsVersion for $WindowsArch -preview"
+        } else {
+            $Name = "Cumulative update for .net framework windows 11 $WindowsVersion for $WindowsArch -preview"
+        }
         #Check if $KBPath exists, if not, create it
         If (-not (Test-Path -Path $KBPath)) {
             WriteLog "Creating $KBPath"
diff --git a/FFUDevelopment/WinPECaptureFFUFiles/CaptureFFU.ps1 b/FFUDevelopment/WinPECaptureFFUFiles/CaptureFFU.ps1
index fb4b964..8a5cee8 100644
--- a/FFUDevelopment/WinPECaptureFFUFiles/CaptureFFU.ps1
+++ b/FFUDevelopment/WinPECaptureFFUFiles/CaptureFFU.ps1
@@ -28,13 +28,24 @@ $SKU = switch ($SKU) {
     EducationN { 'EduN'}
     ProfessionalWorkstation { 'Pro_Wks' }
     ProfessionalWorkstationN { 'Pro_WksN' }
+    ServerStandard { 'Srv_Std' }
+    ServerDatacenter { 'Srv_Dtc' }
 }
 
-if($CurrentBuild -ge 22000){
-    $Name = 'Win11'
-}
-else{
-    $Name = 'Win10'
+if ($SKU -notmatch "Srv") {
+    if ($CurrentBuild -ge 22000) {
+        $Name = 'Win11'
+    }
+    else {
+        $Name = 'Win10'
+    }
+} else {
+    $Name = switch ($CurrentBuild) {
+        26100 { '2025' }
+        20348 { '2022' }
+        17763 { '2019' }
+        Default { $DisplayVersion }
+    }
 }
 
 #If Office is installed, modify the file name of the FFU