diff --git a/optional/install-freeoffice.cmd b/optional/install-freeoffice.cmd
new file mode 100644
index 0000000..aa7b9d6
--- /dev/null
+++ b/optional/install-freeoffice.cmd
@@ -0,0 +1,44 @@
+@echo off
+call check-for-admin
+if %ERRORLEVEL% neq 0 exit /b
+
+set OPT=..\optional
+set SOFTWARE=..\software
+set MSI=freeoffice-setup.msi 
+set STARTMENU="%PROGRAMDATA%\Microsoft\Windows\Start Menu\Programs"
+
+if NOT EXIST %SOFTWARE%\%MSI% (
+  echo ERROR: %SOFTWARE%\%MSI% not found!
+  exit /b
+)
+
+echo ####### %0 #######
+
+cd %SOFTWARE%
+@echo on
+msiexec /i %MSI% /qb INSTALLTM=1 INSTALLPM=1 INSTALLPR=1 ^
+  /l*v c:\temp\freeoffice.log
+@echo off
+del /F c:\temp\freeoffice.log
+cd %OPT%
+
+echo installing desktop icons ...
+copy /Y "%PROGRAMDATA%\Microsoft\Windows\Start Menu\Programs\Softmaker FreeOffice 2021\PlanMaker.lnk" ^
+  %PUBLIC%\Desktop\PlanMaker.lnk
+copy /Y "%PROGRAMDATA%\Microsoft\Windows\Start Menu\Programs\Softmaker FreeOffice 2021\Presentations.lnk" ^
+  %PUBLIC%\Desktop\Presentations.lnk
+copy /Y "%PROGRAMDATA%\Microsoft\Windows\Start Menu\Programs\Softmaker FreeOffice 2021\TextMaker.lnk" ^
+  %PUBLIC%\Desktop\Textmaker.lnk
+
+rem refresh desktop (W10 style)
+ie4uinit.exe -show
+
+echo ####### %0 #######
+
+rem set filetypes ...
+if EXIST ..\scripts\set-filetypes.cmd (
+  call ..\scripts\set-filetypes.cmd
+)
+
+pause
+
diff --git a/scripts/set-filetypes.cmd b/scripts/set-filetypes.cmd
index 463780f..b558e13 100644
--- a/scripts/set-filetypes.cmd
+++ b/scripts/set-filetypes.cmd
@@ -25,19 +25,21 @@ call :SFTA
 set AKA=Presentations
 set BINARY="%PROGRAMFILES%\Softmaker Office 2021\Presentations.exe"
 if NOT exist %BINARY% set BINARY="%PROGRAMFILES%\Softmaker Office 2024\Presentations.exe"
-
+if NOT exist %BINARY% set BINARY="%PROGRAMFILES(x86)%\Softmaker FreeOffice 2021\Presentations.exe"
 set SUFFIX=prdx prsx prvx ppt pptx potx pot ppsx pps prd prv
 call :SFTA
 
 set AKA=PlanMaker
 set BINARY="%PROGRAMFILES%\Softmaker Office 2021\Planmaker.exe"
 if NOT exist %BINARY% set BINARY="%PROGRAMFILES%\Softmaker Office 2024\Planmaker.exe"
+if NOT exist %BINARY% set BINARY="%PROGRAMFILES(x86)%\Softmaker FreeOffice 2021\Planmaker.exe"
 set SUFFIX=pmd pmdx pmv pmvx xls xlsx xlsm xlt xltx xltm
 call :SFTA
 
 set AKA=TextMaker
 set BINARY="%PROGRAMFILES%\Softmaker Office 2021\Textmaker.exe"
 if NOT exist %BINARY% set BINARY="%PROGRAMFILES%\Softmaker Office 2024\Textmaker.exe"
+if NOT exist %BINARY% set BINARY="%PROGRAMFILES(x86)%\Softmaker FreeOffice 2021\Textmaker.exe"
 set SUFFIX=doc docx dot dotx odt tmd tmdx tmv tmvx rtf psw pwd
 call :SFTA
 
diff --git a/software/optional.csv b/software/optional.csv
index f99f11e..4e080cf 100644
--- a/software/optional.csv
+++ b/software/optional.csv
@@ -12,6 +12,7 @@ https://www.purebasic.com/download/PureBasic_Demo_x64.zip purebasic.zip
 https://www.python.org/ftp/python/2.7.18/python-2.7.18.amd64.msi python2-setup.msi
 https://www.softmaker.net/down/ofw2021_64.msi softmaker-setup.msi
 https://www.softmaker.net/down/softmaker-office-2024-64.msi softmaker-setup-2024.msi
+https://www.softmaker.net/down/freeoffice2021.msi freeoffice-setup.msi
 http://download.spotify.com/SpotifyFullSetup.exe spotify-setup.exe
 https://cdn.akamai.steamstatic.com/client/installer/SteamSetup.exe steam-setup.exe
 https://totalcommander.ch/win/fixed/tcmd951x64.exe totalcommander-setup.exe