diff --git a/optional/config/pdf24.reg b/optional/config/pdf24.reg
new file mode 100644
index 0000000..d06ba19
Binary files /dev/null and b/optional/config/pdf24.reg differ
diff --git a/optional/install-citrixworkspace.cmd b/optional/install-citrixworkspace.cmd
index 854397b..7e1d322 100644
--- a/optional/install-citrixworkspace.cmd
+++ b/optional/install-citrixworkspace.cmd
@@ -13,7 +13,7 @@ if NOT EXIST %EXE% (
 echo ####### %0 #######
 
 echo installing Citrix Workspace LTS ...
-start /wait %EXE% /silent /noreboot
+start /wait %EXE% /silent /noreboot /AutoUpdateCheck=disabled
 
 echo disabling autostart for Citrix Workspace ...
 reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run32" ^
diff --git a/optional/install-pdf24.cmd b/optional/install-pdf24.cmd
new file mode 100644
index 0000000..58204a0
--- /dev/null
+++ b/optional/install-pdf24.cmd
@@ -0,0 +1,33 @@
+@echo off
+
+set OPT=..\optional
+set SOFTWARE=..\software
+set MSI=pdf24-setup.msi
+set CONFIG=config\pdf24.reg
+
+if NOT EXIST %SOFTWARE%\%MSI% (
+  echo ERROR: %SOFTWARE%\%MSI% not found!
+  exit /b
+)
+
+echo ####### %0 #######
+
+echo installing PDF24 ...
+cd %SOFTWARE%
+@echo on
+msiexec /i %MSI% /q
+@echo off
+cd %OPT%
+
+echo tweaking PDF24 ...
+reg import %CONFIG%
+
+echo removing Desktop icon ...
+del /F "%PUBLIC%\Desktop\PDF24.lnk" 2>nul
+
+echo refreshing desktop (W10 style) ...
+ie4uinit.exe -show
+
+echo ####### %0 #######
+pause
+