diff --git a/Start-UpgradeToWindows11.ps1 b/Start-UpgradeToWindows11.ps1
new file mode 100644
index 0000000..e05226f
--- /dev/null
+++ b/Start-UpgradeToWindows11.ps1
@@ -0,0 +1,96 @@
+# Elevate to run as administrator if not already
+#If ( -not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator") )
+#{
+#    Write-Output "Not running as administrator, relaunching as administrator"
+#    Start-Process powershell.exe "-NoProfile -ExecutionPolicy Bypass -NoExit -File `"$PSCommandPath`"" -Verb RunAs ; Exit 0
+#}
+#Else { Write-Output "Running as administrator" }
+
+# Get the operating system CIM instance
+Try { $OS = Get-CimInstance -ClassName Win32_OperatingSystem -ErrorAction Stop }
+Catch { Write-Error "Could not get Win32_OperatingSystem CIM instance`n"+$_.Exception.Message ; Exit 1 }
+
+# Exit if the endpoint is not running Windows 10
+If ( ($OS.Caption -notmatch "Windows 10") ) { Write-Output "This endpoint is not running Windows 10" ; Exit 1 }
+Else { Write-Output "This endpoint is running Windows 10" }
+
+# Exit if the endpoint is not running a Pro/Enterprise edition of Windows
+If ( ($OS.Caption -notmatch "Pro") -and ($OS.Caption -notmatch "Enterprise") ) { Write-Output "Only Pro/Enterprise versions of Windows can be upgraded" ; Exit 1 }
+Else { Write-Output "This endpoint is running a Pro/Enterprise version of Windows" }
+
+# Exit if the endpoint is a server edition
+Try
+{
+    If ( $OS.ProductType -gt 1 ) { Write-Output "Server operating system will not be upgraded" ; Exit 1 }
+    Else { Write-Output "This endpoint is not a server operating system" }
+}
+Catch { Write-Error "The operating system type could not be determined`n"+$_.Exception.Message ; Exit 1 }
+
+# Exit if the endpoint does not have at least 4GB of RAM
+Try
+{
+    If ( (Get-CimInstance -ClassName Win32_PhysicalMemory -ErrorAction Stop | Measure-Object -Property Capacity -Sum).Sum -lt 4GB ) { Write-Output "This endpoint does not have at least 4GB of RAM" ; Exit 1 }
+    Else { Write-Output "This endpoint has at least 4GB of RAM" }
+}
+Catch { Write-Error "The amount of RAM could not be determined`n"+$_.Exception.Message ; Exit 1 }
+
+# Exit if the endpoint does not have at least 64GB of storage on the system drive
+Try
+{
+    $SystemDrive = $Env:SystemDrive.TrimEnd('\')
+    If ( (Get-CimInstance -ClassName Win32_Volume -Filter "DriveLetter = '$SystemDrive'" -ErrorAction Stop).FreeSpace -lt 64GB ) { Write-Output "This endpoint does not have at least 64GB of storage on the system drive" ; Exit 1 }
+    Else { Write-Output "This endpoint has at least 64GB of storage on the system drive" }
+}
+Catch { Write-Error "The free space on the system drive could not be determined`n"+$_.Exception.Message ; Exit 1 }
+
+# Exit if TPM does not exist or is not version 2.0
+Try
+{
+    $TPM2Present = $false
+    ForEach ( $specVersion in (Get-CimInstance -Namespace "root\CIMV2\Security\MicrosoftTpm" -Class Win32_Tpm -ErrorAction Stop).SpecVersion )
+    {
+        If ( $specVersion -ge 2.0 ) { $TPM2Present = $true ; Break }
+    }
+    If ( $TPM2Present -eq $false ) { Write-Output "TPM does not support version 2.0 specification" ; Exit 1 }
+    Else { Write-Output "This endpoint has a TPM compliant with the version 2.0 specification" }
+}
+Catch { Write-Error "TPM is not present or its version cannot be determined`n"+$_.Exception.Message ; Exit 1 }
+
+# Exit if Secure Boot is not enabled
+Try
+{
+    If ( (Confirm-SecureBootUEFI -ErrorAction Stop) -eq $false ) { Write-Output "Secure Boot is not enabled" ; Exit 1 }
+    Else { Write-Output "Secure Boot is enabled" }
+}
+Catch { Write-Output "Secure Boot state cannot be determined.`n"+$_.Exception.Message ; Exit 1 }
+
+# Uninstall previous Windows 11 Update Assistant
+$WIAPath = "${Env:ProgramFiles(x86)}\WindowsInstallationAssistant\Windows10UpgraderApp.exe"
+If ( Test-Path $WIAPath )
+{
+    Write-Output "Uninstalling existing Windows Installation Assistant"
+    Get-Process -Name "Windows10UpgraderApp" -ErrorAction SilentlyContinue | Stop-Process -Force -ErrorAction SilentlyContinue
+    Try { Start-Process $WIAPath -ArgumentList '/ForceUninstall' -Wait }
+    Catch { Write-Error $_.Exception.Message ; Exit 1}
+} Else { Write-Output "No existing Windows Installation Assistant found" }
+
+# URL to the Windows Installation Assistant
+$URL = 'https://go.microsoft.com/fwlink/?linkid=2171764'
+
+# Download Windows Installation Assistant
+$WIAInstaller = "${Env:TEMP}\Windows11InstallationAssistant.exe"
+If ( Test-Path $WIAInstaller )
+{
+    Write-Output "Removing existing Windows Installation Assistant installer: ${WIAInstaller}"
+    Remove-Item $WIAInstaller -Force -ErrorAction SilentlyContinue
+}
+Write-Output "Downloading ${URL} to ""${WIAInstaller}"""
+Try { (New-Object System.Net.WebClient).DownloadFile($URL,$WIAInstaller) }
+Catch { Write-Error "The Windows Installation Assistant could not be downloaded`n"+$_.Exception.Message ; Exit 1 }
+
+# Install and run the Windows Installation Assistant
+If ( -not (Test-Path $WIAInstaller) ) { Write-Error "The Windows Installation Assistant could not be found after successfully downloading" ; Exit 1 }
+Write-Output "Launching upgrade"
+Try { Start-Process -FilePath $WIAInstaller -ArgumentList "/QuietInstall /SkipEULA /Auto Upgrade /SkipSelfUpdate /ShowProgressInTaskBarIcon /SkipCompatCheck" }
+Catch { Write-Output $_.Exception.Message ; Exit 1}
+Exit 0
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