diff --git a/FFUDevelopment/BuildFFUVM.ps1 b/FFUDevelopment/BuildFFUVM.ps1
index 4d7fbd2..a6d2b6e 100644
--- a/FFUDevelopment/BuildFFUVM.ps1
+++ b/FFUDevelopment/BuildFFUVM.ps1
@@ -354,6 +354,8 @@ param(
     [bool]$BuildUSBDrive,
     [hashtable]$USBDriveList,
     [int]$MaxUSBDrives = 5,
+    [ValidateSet('Foreground', 'High', 'Normal', 'Low')]
+    [string]$BitsPriority = 'Normal',
     [Parameter(Mandatory = $false)]
     [ValidateSet(10, 11, 2016, 2019, 2021, 2022, 2024, 2025)]
     [int]$WindowsRelease = 11,
@@ -659,6 +661,7 @@ if ($WindowsSKU -like "*LTS*") {
 
 # Set the log path for the common logger
 Set-CommonCoreLogPath -Path $LogFile
+Set-BitsTransferPriority -Priority $BitsPriority
 
 #FUNCTIONS
 
diff --git a/FFUDevelopment/BuildFFUVM_UI.xaml b/FFUDevelopment/BuildFFUVM_UI.xaml
index cf20f8e..d9884d6 100644
--- a/FFUDevelopment/BuildFFUVM_UI.xaml
+++ b/FFUDevelopment/BuildFFUVM_UI.xaml
@@ -641,7 +641,7 @@
             <TabItem Header="Build" Padding="20">
                 <ScrollViewer VerticalScrollBarVisibility="Auto">
                     <Grid Margin="10">
-                        <!-- Define 10 rows for the Build tab -->
+                        <!-- Define 12 rows for the Build tab -->
                         <Grid.RowDefinitions>
                             <!-- Row 0: Header -->
                             <RowDefinition Height="Auto"/>
@@ -657,13 +657,15 @@
                             <RowDefinition Height="Auto"/>
                             <!-- Row 6: Threads -->
                             <RowDefinition Height="Auto"/>
-                            <!-- Row 7: General Build Options Header -->
+                            <!-- Row 7: BITS Priority -->
                             <RowDefinition Height="Auto"/>
-                            <!-- Row 8: General Build Options Checkboxes -->
+                            <!-- Row 8: General Build Options Header -->
                             <RowDefinition Height="Auto"/>
-                            <!-- Row 9: Build USB Drive Section -->
+                            <!-- Row 9: General Build Options Checkboxes -->
                             <RowDefinition Height="Auto"/>
-                            <!-- Row 10: Post-Build Cleanup -->
+                            <!-- Row 10: Build USB Drive Section -->
+                            <RowDefinition Height="Auto"/>
+                            <!-- Row 11: Post-Build Cleanup -->
                             <RowDefinition Height="Auto"/>
                         </Grid.RowDefinitions>
                         <Grid.ColumnDefinitions>
@@ -729,11 +731,25 @@
                             <TextBlock Grid.Column="0" Text="Threads" VerticalAlignment="Center" ToolTip="Controls the number of parallel threads used by ForEach-Object -Parallel and sets the value of the -ThrottleLimit parameter. Default is 5. Used in Winget, Application Copy, and driver downloads"/>
                             <TextBox x:Name="txtThreads" Grid.Column="1" Margin="5" VerticalAlignment="Center" Width="50" HorizontalAlignment="Left" Text="5" ToolTip="Controls the number of parallel threads used by ForEach-Object -Parallel and sets the value of the -ThrottleLimit parameter. Default is 5. Used in Winget, Application Copy, and driver downloads"/>
                         </Grid>
-                        <!-- Row 7: General Build Options Header -->
-                        <TextBlock Grid.Row="7" Text="General Build Options" FontWeight="Bold" FontSize="16" Margin="0,10,0,5"/>
+                        <!-- Row 7: BITS Priority -->
+                        <Grid Grid.Row="7" Margin="0,5">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="200"/>
+                                <ColumnDefinition Width="*"/>
+                            </Grid.ColumnDefinitions>
+                            <TextBlock Grid.Column="0" Text="BITS Priority" VerticalAlignment="Center" ToolTip="Controls the BITS download priority used by the UI and BuildFFUVM.ps1. Switch to Foreground to maximize download speed if needed."/>
+                            <ComboBox x:Name="cmbBitsPriority" Grid.Column="1" Margin="5" VerticalAlignment="Center" Width="150" HorizontalAlignment="Left" ToolTip="Controls the BITS download priority used by the UI and BuildFFUVM.ps1. Switch to Foreground to maximize download speed if needed.">
+                                <sys:String>Foreground</sys:String>
+                                <sys:String>High</sys:String>
+                                <sys:String>Normal</sys:String>
+                                <sys:String>Low</sys:String>
+                            </ComboBox>
+                        </Grid>
+                        <!-- Row 8: General Build Options Header -->
+                        <TextBlock Grid.Row="8" Text="General Build Options" FontWeight="Bold" FontSize="16" Margin="0,10,0,5"/>
 
-                        <!-- Row 8: General Build Options Checkboxes -->
-                        <WrapPanel Grid.Row="8" Margin="0,5">
+                        <!-- Row 9: General Build Options Checkboxes -->
+                        <WrapPanel Grid.Row="9" Margin="0,5">
                             <CheckBox x:Name="chkBuildUSBDriveEnable" Content="Build USB Drive" Margin="5" VerticalAlignment="Center" Tag="When set to $true, will partition and format a USB drive and copy the captured FFU to the drive."/>
                             <CheckBox x:Name="chkCompactOS" Content="Compact OS" Margin="5" VerticalAlignment="Center" Tag="When set to $true, will compact the OS when building the FFU."/>
                             <CheckBox x:Name="chkUpdateADK" Content="Update ADK" Margin="5" VerticalAlignment="Center" Tag="When set to $true, the script will check for and install/update to the latest Windows ADK and WinPE add-on."/>
@@ -745,8 +761,8 @@
                             <CheckBox x:Name="chkVerbose" Content="Verbose" Margin="5" VerticalAlignment="Center" Tag="When set to $true, will enable write-verbose output to the console for the build script."/>
                         </WrapPanel>
 
-                        <!-- Row 9: Build USB Drive Section -->
-                        <StackPanel Grid.Row="9" Margin="0,10,0,5" x:Name="usbDriveSection" Visibility="Collapsed">
+                        <!-- Row 10: Build USB Drive Section -->
+                        <StackPanel Grid.Row="10" Margin="0,10,0,5" x:Name="usbDriveSection" Visibility="Collapsed">
                             <TextBlock Text="Build USB Drive Settings" FontWeight="Bold" FontSize="16" Margin="0,0,0,10"/>
                             <StackPanel Margin="5,0,0,10">
                                 <CheckBox x:Name="chkAllowExternalHardDiskMedia" Content="Allow External Hard Disk Media" Margin="5" VerticalAlignment="Center" Tag="When set to $true, will allow the use of external hard disk media."/>
@@ -811,8 +827,8 @@
                             </StackPanel>
                         </StackPanel>
 
-                        <!-- Row 10: Post-Build Cleanup -->
-                        <StackPanel Grid.Row="10" Margin="0,10,0,5">
+                        <!-- Row 11: Post-Build Cleanup -->
+                        <StackPanel Grid.Row="11" Margin="0,10,0,5">
                             <TextBlock Text="Post-Build Cleanup" FontWeight="Bold" FontSize="16" Margin="0,0,0,5"/>
                             <CheckBox x:Name="chkCleanupAppsISO" Content="Cleanup Apps ISO" Margin="5" VerticalAlignment="Center" Tag="Remove Apps ISO after FFU capture."/>
                             <CheckBox x:Name="chkCleanupCaptureISO" Content="Cleanup Capture ISO" Margin="5" VerticalAlignment="Center" Tag="Remove WinPE capture ISO after FFU capture."/>
diff --git a/FFUDevelopment/FFU.Common/FFU.Common.Core.psm1 b/FFUDevelopment/FFU.Common/FFU.Common.Core.psm1
index 30a3dd2..0b2a564 100644
--- a/FFUDevelopment/FFU.Common/FFU.Common.Core.psm1
+++ b/FFUDevelopment/FFU.Common/FFU.Common.Core.psm1
@@ -12,6 +12,10 @@ $script:CommonCoreLogFilePath = $null
 # Mutex for log file access
 $script:commonCoreLogMutexName = "Global\FFUCommonCoreLogMutex" # Unique name
 $script:commonCoreLogMutex = New-Object System.Threading.Mutex($false, $script:commonCoreLogMutexName)
+$script:BitsTransferPriority = 'Normal'
+if (-not [string]::IsNullOrWhiteSpace($env:FFU_BITS_PRIORITY)) {
+    $script:BitsTransferPriority = $env:FFU_BITS_PRIORITY
+}
 
 # Function to set the log file path for this module
 function Set-CommonCoreLogPath {
@@ -30,7 +34,24 @@ function Set-CommonCoreLogPath {
         Write-Warning "Set-CommonCoreLogPath called with an empty or null path."
     }
 }
-
+        
+function Set-BitsTransferPriority {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory = $true)]
+        [ValidateSet('Foreground', 'High', 'Normal', 'Low')]
+        [string]$Priority
+    )
+    $script:BitsTransferPriority = $Priority
+    try {
+        Set-Item -Path Env:FFU_BITS_PRIORITY -Value $Priority -ErrorAction Stop
+    }
+    catch {
+        WriteLog "Failed to set FFU_BITS_PRIORITY environment variable: $($_.Exception.Message)"
+    }
+    WriteLog "BITS transfer priority set to $Priority."
+}
+        
 # Centralized WriteLog function
 function WriteLog {
     [CmdletBinding()]
@@ -143,9 +164,23 @@ function Start-BitsTransferWithRetry {
         [string]$Source,
         [Parameter(Mandatory = $true)]
         [string]$Destination,
-        [int]$Retries = 3
+        [int]$Retries = 3,
+        [ValidateSet('Foreground','High','Normal','Low')]
+        [string]$Priority
     )
 
+    if ([string]::IsNullOrWhiteSpace($Priority)) {
+        if (-not [string]::IsNullOrWhiteSpace($env:FFU_BITS_PRIORITY)) {
+            $Priority = $env:FFU_BITS_PRIORITY
+        }
+        elseif (-not [string]::IsNullOrWhiteSpace($script:BitsTransferPriority)) {
+            $Priority = $script:BitsTransferPriority
+        }
+        else {
+            $Priority = 'Normal'
+        }
+    }
+
     $attempt = 0
     $lastError = $null
     $notLoggedOnHResult = [int]0x800704dd
@@ -158,7 +193,7 @@ function Start-BitsTransferWithRetry {
             $VerbosePreference = 'SilentlyContinue'
             $ProgressPreference = 'SilentlyContinue'
 
-            Start-BitsTransfer -Source $Source -Destination $Destination -Priority Normal -ErrorAction Stop
+            Start-BitsTransfer -Source $Source -Destination $Destination -Priority $Priority -ErrorAction Stop
             
             $ProgressPreference = $OriginalProgressPreference
             $VerbosePreference = $OriginalVerbosePreference
@@ -259,7 +294,7 @@ function ConvertTo-SafeName {
     # Collapse multiple consecutive dashes
     $sanitized = $sanitized -replace '-{2,}', '-'
     # Trim leading/trailing spaces, periods, and dashes
-    $sanitized = $sanitized.Trim(' ','.','-')
+    $sanitized = $sanitized.Trim(' ', '.', '-')
     if ([string]::IsNullOrWhiteSpace($sanitized)) {
         $sanitized = 'Unnamed'
     }
diff --git a/FFUDevelopment/FFUUI.Core/FFUUI.Core.Config.psm1 b/FFUDevelopment/FFUUI.Core/FFUUI.Core.Config.psm1
index 5105b99..13cc782 100644
--- a/FFUDevelopment/FFUUI.Core/FFUUI.Core.Config.psm1
+++ b/FFUDevelopment/FFUUI.Core/FFUUI.Core.Config.psm1
@@ -96,6 +96,7 @@ function Get-UIConfig {
         USBDriveList                   = @{}
         Username                       = $State.Controls.txtUsername.Text
         Threads                        = [int]$State.Controls.txtThreads.Text
+        BitsPriority                    = $State.Controls.cmbBitsPriority.SelectedItem
         MaxUSBDrives                   = [int]$State.Controls.txtMaxUSBDrives.Text
         Verbose                        = $State.Controls.chkVerbose.IsChecked
         VMHostIPAddress                = $State.Controls.txtVMHostIPAddress.Text
@@ -412,6 +413,7 @@ function Update-UIFromConfig {
     Set-UIValue -ControlName 'txtShareName' -PropertyName 'Text' -ConfigObject $ConfigContent -ConfigKey 'ShareName' -State $State
     Set-UIValue -ControlName 'txtUsername' -PropertyName 'Text' -ConfigObject $ConfigContent -ConfigKey 'Username' -State $State
     Set-UIValue -ControlName 'txtThreads' -PropertyName 'Text' -ConfigObject $ConfigContent -ConfigKey 'Threads' -State $State
+    Set-UIValue -ControlName 'cmbBitsPriority' -PropertyName 'SelectedItem' -ConfigObject $ConfigContent -ConfigKey 'BitsPriority' -State $State
     Set-UIValue -ControlName 'txtMaxUSBDrives' -PropertyName 'Text' -ConfigObject $ConfigContent -ConfigKey 'MaxUSBDrives' -State $State
     Set-UIValue -ControlName 'chkBuildUSBDriveEnable' -PropertyName 'IsChecked' -ConfigObject $ConfigContent -ConfigKey 'BuildUSBDrive' -State $State
     Set-UIValue -ControlName 'chkCompactOS' -PropertyName 'IsChecked' -ConfigObject $ConfigContent -ConfigKey 'CompactOS' -State $State
@@ -748,13 +750,14 @@ function Update-UIFromConfig {
             else {
                 $State.Controls.additionalFFUPanel.Visibility = 'Collapsed'
             }
+            }
+            catch {
+                WriteLog "LoadConfig: Error applying Additional FFU selections: $($_.Exception.Message)"
+            }
+        
+            Update-BitsPrioritySetting -State $State
+            WriteLog "LoadConfig: Configuration loading process finished."
         }
-        catch {
-            WriteLog "LoadConfig: Error applying Additional FFU selections: $($_.Exception.Message)"
-        }
-    
-        WriteLog "LoadConfig: Configuration loading process finished."
-    }
 
 function Invoke-SaveConfiguration {
     param(
diff --git a/FFUDevelopment/FFUUI.Core/FFUUI.Core.Handlers.psm1 b/FFUDevelopment/FFUUI.Core/FFUUI.Core.Handlers.psm1
index 5043d43..e739fb6 100644
--- a/FFUDevelopment/FFUUI.Core/FFUUI.Core.Handlers.psm1
+++ b/FFUDevelopment/FFUUI.Core/FFUUI.Core.Handlers.psm1
@@ -152,6 +152,17 @@ function Register-EventHandlers {
             $localState.Controls.chkPromptExternalHardDiskMedia.IsChecked = $false
         })
 
+    if ($null -ne $State.Controls.cmbBitsPriority) {
+        $State.Controls.cmbBitsPriority.Add_SelectionChanged({
+                param($eventSource, $selectionChangedEventArgs)
+                $window = [System.Windows.Window]::GetWindow($eventSource)
+                if ($null -eq $window -or $null -eq $window.Tag) {
+                    return
+                }
+                Update-BitsPrioritySetting -State $window.Tag
+            })
+    }
+
     # Additional FFU Files events
     $State.Controls.chkCopyAdditionalFFUFiles.Add_Checked({
             param($eventSource, $routedEventArgs)
diff --git a/FFUDevelopment/FFUUI.Core/FFUUI.Core.Initialize.psm1 b/FFUDevelopment/FFUUI.Core/FFUUI.Core.Initialize.psm1
index 0870af7..f18eec3 100644
--- a/FFUDevelopment/FFUUI.Core/FFUUI.Core.Initialize.psm1
+++ b/FFUDevelopment/FFUUI.Core/FFUUI.Core.Initialize.psm1
@@ -118,6 +118,7 @@ function Initialize-UIControls {
     $State.Controls.txtShareName = $window.FindName('txtShareName')
     $State.Controls.txtUsername = $window.FindName('txtUsername')
     $State.Controls.txtThreads = $window.FindName('txtThreads')
+    $State.Controls.cmbBitsPriority = $window.FindName('cmbBitsPriority')
     $State.Controls.txtMaxUSBDrives = $window.FindName('txtMaxUSBDrives')
     $State.Controls.chkCompactOS = $window.FindName('chkCompactOS')
     $State.Controls.chkOptimize = $window.FindName('chkOptimize')
@@ -234,6 +235,7 @@ function Initialize-UIDefaults {
     $State.Controls.txtShareName.Text = $State.Defaults.generalDefaults.ShareName
     $State.Controls.txtUsername.Text = $State.Defaults.generalDefaults.Username
     $State.Controls.txtThreads.Text = $State.Defaults.generalDefaults.Threads
+    $State.Controls.cmbBitsPriority.SelectedItem = $State.Defaults.generalDefaults.BitsPriority
     $State.Controls.txtMaxUSBDrives.Text = $State.Defaults.generalDefaults.MaxUSBDrives
     $State.Controls.chkBuildUSBDriveEnable.IsChecked = $State.Defaults.generalDefaults.BuildUSBDriveEnable
     $State.Controls.chkCompactOS.IsChecked = $State.Defaults.generalDefaults.CompactOS
@@ -263,6 +265,7 @@ function Initialize-UIDefaults {
     $State.Controls.chkPromptExternalHardDiskMedia.IsEnabled = $State.Controls.chkAllowExternalHardDiskMedia.IsChecked
     $State.Controls.chkCopyAdditionalFFUFiles.IsChecked = $State.Defaults.generalDefaults.CopyAdditionalFFUFiles
     $State.Controls.additionalFFUPanel.Visibility = if ($State.Controls.chkCopyAdditionalFFUFiles.IsChecked) { 'Visible' } else { 'Collapsed' }
+    Update-BitsPrioritySetting -State $State
 
     # Hyper-V Settings defaults from General Defaults
     Initialize-VMSwitchData -State $State
diff --git a/FFUDevelopment/FFUUI.Core/FFUUI.Core.Shared.psm1 b/FFUDevelopment/FFUUI.Core/FFUUI.Core.Shared.psm1
index 4299e06..0914251 100644
--- a/FFUDevelopment/FFUUI.Core/FFUUI.Core.Shared.psm1
+++ b/FFUDevelopment/FFUUI.Core/FFUUI.Core.Shared.psm1
@@ -220,6 +220,32 @@ function Invoke-ProgressUpdate {
     $ProgressQueue.Enqueue(@{ Identifier = $Identifier; Status = $Status })
 }
 
+function Update-BitsPrioritySetting {
+    param(
+        [Parameter(Mandatory)]
+        [pscustomobject]$State
+    )
+
+    $combo = $State.Controls.cmbBitsPriority
+    if ($null -eq $combo) {
+        WriteLog "BITS priority control not available; skipping priority update."
+        return
+    }
+
+    $selectedPriority = $combo.SelectedItem
+    if ([string]::IsNullOrWhiteSpace($selectedPriority)) {
+        $selectedPriority = 'Normal'
+    }
+
+    try {
+        Set-BitsTransferPriority -Priority $selectedPriority
+        WriteLog "BITS transfer priority set to $selectedPriority."
+    }
+    catch {
+        WriteLog "Failed to set BITS transfer priority: $($_.Exception.Message)"
+    }
+}
+
 # Add a function to create a sortable list view
 function Add-SortableColumn {
     param(
diff --git a/FFUDevelopment/FFUUI.Core/FFUUI.Core.psm1 b/FFUDevelopment/FFUUI.Core/FFUUI.Core.psm1
index b4bc6d3..ebc20ed 100644
--- a/FFUDevelopment/FFUUI.Core/FFUUI.Core.psm1
+++ b/FFUDevelopment/FFUUI.Core/FFUUI.Core.psm1
@@ -117,6 +117,7 @@ function Get-GeneralDefaults {
         ShareName                      = "FFUCaptureShare"
         Username                       = "ffu_user"
         Threads                        = 5
+        BitsPriority                   = 'Normal'
         MaxUSBDrives                   = 5
         BuildUSBDriveEnable            = $false
         CompactOS                      = $true
diff --git a/FFUDevelopment/config/Sample_default.json b/FFUDevelopment/config/Sample_default.json
index 6b8a335..cf5d7a6 100644
Binary files a/FFUDevelopment/config/Sample_default.json and b/FFUDevelopment/config/Sample_default.json differ