FDFmod 1.0 for ARMA 2 + Operation Arrowhead and
ARMA 2: Combined Operations

How to install (retail version)

1. Make sure you can run ARMA 2: Combined Operations. For instructions on how to combine ARMA 2 and ARMA 2: Operation Arrowhead prefer to this thread in Bohemia Interactive’s forum: http://forums.bistudio.com/showthread.php?t=101214

2. Run the ArmA2_FDFmod.exe (it will take a while to load)

3. Proceed by clicking Accept

4. Select your ARMA 2 folder. Default folder is shown in the screen capture below. If you have installed ARMA 2 to some other folder click Browse to select it.

5. For example if you have installed ARMA 2 to D:\Games\ArmA 2, installer should look like this.

6. Click Install and wait for the installer to extract all files. FDFmod readme will open when installation is complete. Readme can be found in your ARMA 2 folder.

7. Start ARMA 2 with Operation Arrowhead expansion (Combined Operations).

8. Once the game has loaded click Expansions.

9. Expansions menu will open. Select FDFmod and click Enable.

10. You will be prompted to restart the game. Click OK.

11. FDFmod 1.0 is now activated. To disable FDFmod 1.0 go to Expansions menu, select Finnish Defense Forces mod and click Disable. Restart the game when prompted.


  1. Ronkeli said on 7 Aug 2011 at 10:42:

    Im soooo not understanding how to combine Arma 2 and OA O_o Damn it!

  2. Heikki said on 6 Feb 2012 at 08:33:

    Does this work on ArmA2 Reinforcements?

  3. kalliorinne said on 20 Apr 2012 at 18:24:


  4. Oleg said on 26 Apr 2012 at 11:21:

    can you change skin F/A-18C hotnet american version pls VMFA 314 …nice work

  5. MikeMikeJuliet said on 17 May 2012 at 14:07:

    Will the Hawk MK 51A or 66 be added to the mod by any chance?

  6. Mason said on 12 Jul 2012 at 12:36:

    I have no subtitels in the missions is that normal?!

  7. Tonza said on 28 Aug 2012 at 11:10:

    Onnistuuko asennus arma2 reinforcements peliin, ja jos niin miten? Kiitos!

  8. Tonza said on 30 Aug 2012 at 21:36:

    Juu itse itselleni vastaten onnistuu reinforcements:iin JOS asentaa 1.60 päivityksen muilla ei. Mahtava modi!! Hyvä jätkät

  9. zak said on 21 Sep 2012 at 02:40:

    please tell me what is going on. i was sooooo exited to finally downloed the FDF mod and when i was done i went to expznsions and nothing was thir. i got very frustrated please email me back.

  10. zak said on 21 Sep 2012 at 05:11:


  11. Zak said on 28 Sep 2012 at 02:51:

    This the most stupidest mod ever it doesn’t even work

  12. Zak said on 28 Sep 2012 at 02:52:

    This the most stupidest mod ever

  13. Dagi said on 19 Jan 2013 at 21:52:

    It just wont work on Multiplayer.

  14. Experienced Any Domestic Violence said on 23 Apr 2013 at 19:24:

    Excellent. I agree.

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  16. sukkahiki said on 17 Sep 2013 at 15:17:

    ei vissiin toimi jos on uudempi kuin 1.54???????

  17. Nolan said on 30 May 2014 at 18:07:

    How do you download it?

  18. harri said on 3 Nov 2017 at 20:12:

    Onkos missä se mod operation flashpointtiin, onko se viety roskiin kun ei näy missään, tai ainakaan ei iskenyt silmään missä se voisi olla. pelasisin sitä aikoinaan, oli hyvä.

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