diff --git a/scripts/tweaks/remove_userfolders_thispc_64.reg b/scripts/tweaks/remove_userfolders_thispc_64.reg
index 5035021..9210bd7 100644
Binary files a/scripts/tweaks/remove_userfolders_thispc_64.reg and b/scripts/tweaks/remove_userfolders_thispc_64.reg differ
diff --git a/scripts/tweaks/show_file_extensions.reg b/scripts/tweaks/show_file_extensions.reg
deleted file mode 100644
index 4244bc3..0000000
Binary files a/scripts/tweaks/show_file_extensions.reg and /dev/null differ
diff --git a/software/optional.csv b/software/optional.csv
index e17f260..98ddeb7 100644
--- a/software/optional.csv
+++ b/software/optional.csv
@@ -28,3 +28,4 @@ https://github.com/mhgschmidt/snapcontrol/releases/download/V1.07/snapcontrol.zi
 https://download.oracle.com/java/17/latest/jdk-17_windows-x64_bin.exe java-setup.exe
 https://www.ausweisapp.bund.de/fileadmin/user_upload/Software/AusweisApp2-1.22.5.msi ausweisapp2-setup.msi
 https://updates.tdesktop.com/tx64/tsetup-x64.3.7.3.exe telegram-setup.exe
+https://www.sharemouse.com/ShareMouseSetup.exe sharemouse-setup.exe
diff --git a/tools/logon.cmd b/tools/logon.cmd
index 2fa46d8..ba476ed 100644
--- a/tools/logon.cmd
+++ b/tools/logon.cmd
@@ -84,10 +84,6 @@ if NOT EXIST %LOCALSTATE%\settings.json (
     %LOCALSTATE%\settings.json
 )
 
-rem RECYCLE BIN
-powershell -command %TOOLS%\set-recyclebin.ps1
-
-
 if EXIST %STATUSFILE% GOTO END
 
 if EXIST %TOOLS%\personal (
@@ -105,6 +101,13 @@ echo ##### USER TWEAKS
 echo #####
 echo.
 
+echo setting RECYCLE BIN limits ...
+powershell -command %TOOLS%\set-recyclebin.ps1
+
+echo Enabling the show file extensions feature in explorer ...
+reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" ^
+  /v "HideFileExt" /t REG_DWORD /d 0 /f 1>nul
+
 echo Adding "This PC" icon for current user on desktop Windows 10 ...
 reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons\NewStartPanel" ^
  /v "{20D04FE0-3AEA-1069-A2D8-08002B30309D}" /t REG_DWORD /d 0 /f 1>nul