i made simple installers (since 1.5.5), they w/o any warranty
quick job in NSIS (nullsoft installer) and nowhere perfect state
offline (1.5.8.2)
(complete file download, just installs and drop 2 shortcut on your desktop, one for OA 1.60 engine and one for OA 1.61 beta engine)
http://cdn.armafiles.info/installer/dwarden-simpler-installers/DayZ-1582-full-with-shortcuts.exe
online (atm. 1.5.8.2)
(small file, all files downloaded from dayz site, just installs and drop 2 shortcut on your desktop, one for OA 1.60 engine and one for OA 1.61 beta engine)
http://cdn.armafiles.info/installer/dwarden-simpler-installers/DayZ-online-with-shortcuts.exe
...
these are nowhere near official or perfect, just raw...
if anyone want share NSIS masterskills or wisdom with me
feel free to do so e.g. at
irc.gamesurge.net channel #DayZ
irc://irc.gamesurge.net/DayZ
WARNING:
1. You should RUN STEAM via "run as administator"
2. and start ARMA 2 once , then exit
3. then start ARMA 2: Operation Arrowhead via the desktop shortcuts from installers
Note: installers support any distribution not just STEAM