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DayZ and Arma Setup Guide
By Walt
With Steams Winter Sale dropping the price of Arma 2 Combined Operations and DayZ' popularity growing ever higher. It was only a matter of time before all the help requests came popping up in the Arma forum. So, to help all those who need it quickly and fairly I decided to make this guide. Hopefully it will be easy to follow and give those who view it all the support they need.

In short, by following this guide you should hopefully (key word there being hopefully) be able to play both DayZ and Arma 2 regular multiplayer without any problems.
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Table of Contents
Part One - Uninstalling current DayZ files / Mods / Arma
Part Two - Installing DayZ and required programmes correctly
CONGRATULATIONS
Part 1 - Down to the core
The reason I feel the need to put this as part 1 is because most of you will have tried to install DayZ and get it working correctly. Sadly though, it doesn't always work out as planned and you can end up complicating the process somewhat.

If you don't have any DayZ mods installed, skip this page.

Ok here we go,
  • Uninstall Whatever DayZ programme you are using, fully via control panel
  • Search for any rogue files that may be in your Arma folder (See below)
  • >Computer >Local Disk (C:) > Program Files (x86) > Steam > steamapps > common > ARMA 2 Operation Arrowhead
  • If it says dayz_etcetcetc or @DayZ please delete
  • Go to Steam Library,
  • OPTIONAL1 Right click Arma 2 + Arma 2 Operation Arrowhead, click Delete Local Content
  • This uninstalls the games fully
  • Re install both Arma 2 and Arma 2 Operation Arrowhead
  • OPTIONAL2 Right click Arma 2 / Arma 2 Operation Arrowhead, go to Properties, Local Files and Verify Integrity of Game Cache
  • This should fix any missing or corrupt files
  • Check to see you can run Arma 2 Operation Arrowheads multiplayer successfully. Not DayZ maps, regular multiplayer.
  • If it does, move to Part 2
  • If it doesn't. Check all DayZ files have been removed, check all DayZ related programmes have been uninstalled. Uninstall Arma 2 / Arma 2 Operation Arrowhead and re install. Right click Steam and Run as Admin.
  • If you get any errors, contact me.

Part 2 - Installing DayZ
Right, here we go. This is gonna be short, sweet and to the point If you are at this point. You should have Arma 2 and Arma 2 Operation Arrowhead fully installed and working as intended, allowing you access to Arma 2 multiplayer servers *Not Dayz*

  • Download DAYZCOMMANDER
  • Follow instructions provided to successfully install it
  • You should have the following icon on your desktop
  • Double click and run the programme
  • It should open to a page like this
  • Press the Install/Update button at the top (Highlighted red)
  • Now look at the following image at the bottom
  • If it says Out of date and Install, click Install (this should be around 100mb-300mb)
  • If it says Up to date and Reinstall, leave it. That's what we want.
  • If there is an update for DAYZCOMMANDER, click apply.
  • Now, touch wood. That's job done.
  • Wait for everything to install and restart the programme
  • To play regular Arma 2 multiplayer, use Arma 2 Operation Arrowhead from your Steam Library
  • To play DayZ, use DAYZCOMMANDER
  • If you encountered any issues please add / message me and I'll do my best to help further.
  • Good job team.


    *THIS METHOD MAY NOW BE OUT OF DATE*
    *Please run an antivirus by the DAYZCOMMANDER download link as multiple responses suggest it may be infected*


Congratulations
Hopefully everything is working for you now. It should be. Again, if it isn't please get in touch and I'll do my best to help you. All the best and heres to you killing zombies and bandits and Living off the land...pitching tents...kidnapping people and all that other good stuff. Have a good one and see you in there!


215 Comments
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Richard Reiben Aug 14 @ 6:47am 
Mine is not working, it says battleye not responding, tried all stuff, from replacing dll, reistalling, both armas and deleting everything that has arma name on it, guess is some bad registry or something because everytime after steamrestart when i verifiy arma2 files its alway that one file that fails to verify.Overall the game is awesome with some custom sp missions and it would be more awesome for me if i could connect on some multiplayer server ...
[QBS]Hunk AUT Aug 3 @ 8:22am 
all server have red conection
Kevin07 Jun 29 @ 11:31pm 
when i open dayz i just dont open
PotatoPops, Best Hunter Jun 24 @ 3:20pm 
i cant connect at all it just sas rejection
narroth15 Jun 23 @ 1:29pm 
lol4
MarkyLastKings Jun 5 @ 8:33pm 
it does no let me download the dayz mod it takes me to a error page someone plz help ;'(
Tedybearassas1n Jun 4 @ 5:35am 
This forum is probably old but I recently purchased Arma 2 and Operation Arrowhead in hopes of playing the Dayz mod but when I use the DayZ commander it says invalid cd key when trying to update. Can anybody help me please.
[MRR]talcminner11 May 29 @ 5:25pm 
Every time i join a server it says Bad Version Server Rejected but everything is up to Date on DayZ Commander
Cokecoca May 5 @ 12:33pm 
everytime when I try to install dayz it keeps giving me a triangle error on all the ones I need
andyinkuwait Apr 25 @ 9:54am 
@OneiFox..just click through that message. It all workd fine for me.