diff --git a/kms.ps1 b/kms.ps1
index 320c14a..ab71705 100644
--- a/kms.ps1
+++ b/kms.ps1
@@ -97,16 +97,20 @@ 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
+    $officePath = "C:\Program Files\Microsoft Office\Office16\ospp.vbs"
+} elseif (test-path "C:\Program Files (x86)\Microsoft Office\Office16\ospp.vbs") {
+    $officePath = "C:\Program Files (x86)\Microsoft Office\Office16\ospp.vbs"
+}
+if ($officePath -ne $null) {
+    # Office 2021 LTSC
+    c:\Windows\System32\cscript.exe /nologo "$officePath" /inpkey:FXYTK-NJJ8C-GB6DW-3DYQT-6F7TH
     # 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
+    c:\Windows\System32\cscript.exe /nologo "$officePath" /sethst:gauntkms.home.johnhgaunt.com
     # Activate it
-    c:\Windows\System32\cscript.exe /nologo "C:\Program Files\Microsoft Office\Office16\ospp.vbs" /act
-    #c:\Windows\System32\cscript.exe /nologo "C:\Program Files (x86)\Microsoft Office\Office16\ospp.vbs" /act
+    c:\Windows\System32\cscript.exe /nologo "$officePath" /act
 }
 
-#office 2013: YC7DK-G2NP3-2QQC3-J6H88-GVGXT
-# Office 2021: FXYTK-NJJ8C-GB6DW-3DYQT-6F7TH
\ No newline at end of file
+# Office 2013: YC7DK-G2NP3-2QQC3-J6H88-GVGXT
+# Office 2016: 
+# Office 2019: NMMKJ-6RK4F-KMJVX-8D9MJ-6MWKP
+# Office 2021 LTSC: FXYTK-NJJ8C-GB6DW-3DYQT-6F7TH
\ No newline at end of file