Installing the experimental build
Go into your Steam>Right Click on your DayZ Game>Click "Properties"

Now once the new window pops up, click on "BETAS">Now click the scroll down menu and choose "Experimental- Preview testing version"

Now launch your game...>Once you hit the main menu exit and it should be updating in your steam

P.S:This is for all the newbies out there who don't know how to do this already...
P.SS:This is a secondary Steam Account, don't add me

Now once the new window pops up, click on "BETAS">Now click the scroll down menu and choose "Experimental- Preview testing version"

Now launch your game...>Once you hit the main menu exit and it should be updating in your steam


P.S:This is for all the newbies out there who don't know how to do this already...
P.SS:This is a secondary Steam Account, don't add me
