#####################
# Get Admin Rights ##
####################

# Get the ID and security principal of the current user account
$myWindowsID=[System.Security.Principal.WindowsIdentity]::GetCurrent()
$myWindowsPrincipal=new-object System.Security.Principal.WindowsPrincipal($myWindowsID)
 
# Get the security principal for the Administrator role
$adminRole=[System.Security.Principal.WindowsBuiltInRole]::Administrator
 
# Check to see if we are currently running "as Administrator" and not 64 bit
if ($myWindowsPrincipal.IsInRole($adminRole) -and -not [environment]::Is64BitProcess) {
	# We are running "as Administrator" - so change the title and background color to indicate this
	$Host.UI.RawUI.WindowTitle = $myInvocation.MyCommand.Definition + "(Elevated)"
	#$Host.UI.RawUI.BackgroundColor = "DarkBlue" 
	clear-host
} else {
	# We are not running "as Administrator" - so relaunch as administrator  
	# Create a new process object that starts PowerShell x86
	# Check to see if we are currently running x86 arch
	# the LHO script can only run with 32 bit powershell
	if (([environment]::Is64BitProcess)) {
		# run the 32 bit powershell exe when on a 64 bit computer
		$newProcess = new-object System.Diagnostics.ProcessStartInfo "C:\Windows\SysWoW64\WindowsPowerShell\v1.0\powershell.exe";
	} else {
		# run the normal 32 bit powershell exe when on 32 bit computer
		$newProcess = new-object System.Diagnostics.ProcessStartInfo "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"; 		
	}
	 # Specify the current script path and name as a parameter with added scope and support for scripts with spaces in it's path
    $newProcess.Arguments = "& '" + $script:MyInvocation.MyCommand.Path + "'"  
	# Indicate that the process should be elevated
	$newProcess.Verb = "runas";   
	# Start the new process
	[System.Diagnostics.Process]::Start($newProcess);
	# Exit from the current, unelevated, process
	exit
}

# Windows OS
# Set KMS Host
c:\Windows\System32\cscript.exe /nologo c:\Windows\System32\slmgr.vbs /skms gauntkms.home.johnhgaunt.com

# https://stackoverflow.com/questions/48592120/how-do-i-find-out-from-powershell-if-i-am-on-a-server-or-workstation
# $osInfo = Get-WmiObject -Class Win32_OperatingSystem
# $osInfo.ProductType
# ProductType
# Data type: uint32
# Access type: Read-only
# Additional system information.
# Work Station (1)
# Domain Controller (2)
# Server (3)

$osType = Get-WmiObject -Class Win32_OperatingSystem
$osInfo = Get-ComputerInfo

if ($osType.ProductType -gt 1) {
    if ($osInfo.WindowsProductName -match "Windows 1[0-1] Enterprise") {
        # Windows 10/11 Enterprise
        c:\Windows\System32\cscript.exe /nologo c:\Windows\System32\slmgr.vbs /ipk NPPR9-FWDCX-D2C8J-H872K-2YT43
    } elseif ($osInfo.WindowsProductName -match "Windows 1[0-1] Professional") {
        # Windows 10/11 Pro
        c:\Windows\System32\cscript.exe /nologo c:\Windows\System32\slmgr.vbs /ipk W269N-WFGWX-YVC9B-4J6C9-T83GX
    } elseif ($osInfo.WindowsProductName -eq "Windows 10 Enterprise LTSC 2019") {
        # Windows 10 2019 LTSC
        c:\Windows\System32\cscript.exe /nologo c:\Windows\System32\slmgr.vbs /ipk M7XTQ-FN8P6-TTKYV-9D4CC-J462D
    } elseif ($osInfo.WindowsProductName -eq "Windows 10 Enterprise LTSB 2016")
        # Windows 10 2016 LTSB
        c:\Windows\System32\cscript.exe /nologo c:\Windows\System32\slmgr.vbs /ipk DCPHK-NFMTC-H88MJ-PFHPY-QJ4BJ
    } else {
        $message = "Your desktop version is not supported or could not be detected corrected. Version: $($osInfo.WindowsProductName)"
        write-error $message
        exit
    }
} else {
    if ($osInfo.WindowsProductName -eq "Windows Server 2022 DataCenter") {
        # windows Server 2022 Datacenter
        c:\Windows\System32\cscript.exe /nologo c:\Windows\System32\slmgr.vbs /ipk WX4NM-KYWYW-QJJR4-XV3QB-6VM33
    } elseif ($osInfo.WindowsProductName -eq "Windows Server 2019 DataCenter") {
        # windows Server 2019 Datacenter
        c:\Windows\System32\cscript.exe /nologo c:\Windows\System32\slmgr.vbs /ipk WMDGN-G9PQG-XVVXX-R3X43-63DFG
    } elseif ($osInfo.WindowsProductName -eq "Windows Server 2016 DataCenter") {
        # Windows Server 2016 Datacenter
        c:\Windows\System32\cscript.exe /nologo c:\Windows\System32\slmgr.vbs /ipk CB7KF-BWN84-R7R2Y-793K2-8XDDG
    } else {
        $message = "Your server version is not supported or could not be detected corrected. Version: $($osInfo.WindowsProductName)"
        write-error $message
        exit
    }
    }
}

# Activate it
c:\Windows\System32\cscript.exe /nologo c:\Windows\System32\slmgr.vbs /ato

# lets check for an office install

if (test-path "C:\Program Files\Microsoft Office\Office16\ospp.vbs") {
    # Office 2019
    c:\Windows\System32\cscript.exe /nologo "C:\Program Files\Microsoft Office\Office16\ospp.vbs" /inpkey:NMMKJ-6RK4F-KMJVX-8D9MJ-6MWKP
    #c:\Windows\System32\cscript.exe /nologo "C:\Program Files (x86)\Microsoft Office\Office16\ospp.vbs" /inpkey:NMMKJ-6RK4F-KMJVX-8D9MJ-6MWKP
    # Set KMS Host
    c:\Windows\System32\cscript.exe /nologo "C:\Program Files\Microsoft Office\Office16\ospp.vbs" /sethst:gauntkms.home.johnhgaunt.com
    #c:\Windows\System32\cscript.exe /nologo "C:\Program Files (x86)\Microsoft Office\Office16\ospp.vbs" /sethst:gauntkms.home.johnhgaunt.com
    # Activate it
    c:\Windows\System32\cscript.exe /nologo "C:\Program Files\Microsoft Office\Office16\ospp.vbs" /act
    #c:\Windows\System32\cscript.exe /nologo "C:\Program Files (x86)\Microsoft Office\Office16\ospp.vbs" /act
}

#office 2013: YC7DK-G2NP3-2QQC3-J6H88-GVGXT
# Office 2021: FXYTK-NJJ8C-GB6DW-3DYQT-6F7TH