At this time there are some steps involved.

First lets get you whitelisted.
http://epochmod.com/whitelister.php

This is where you place your key.
Copy and paste the key into the text field and press "Redeem Key"

It will want you to log in through steam as we require your steam ID to properly whitelist you.
Once you've logged into steam it will then ask you to pick your in game gender. After you have click submit at the bottom. It should then say you are whitelisted.

Second lets get you the mod.

Fist, make yourself 2 new folders. One called "Epoch Sync" and another called "@Epoch" without quotes. The "Epoch Sync" folder should not be placed on your Arma 3 Directory, place it somewhere on your desktop or wherever you like, just not the Arma 3 root.
The @Epoch folder, however, does need to go into the your Arma 3 root directory "Steam\SteamApps\common\Arma 3\@Epoch", like so
C:\Program Files (x86)\Steam\SteamApps\common\Arma 3

We use distribute the mod using BitTorrent Sync, you can get that here:
http://www.bittorrent.com/sync

Once you have downloaded BitTorrent sync, you may have an issue with the UI not appearing, you can fix this by installing Internet Explorer 9 or later, for other technical issues, go here: http://forum.bittorrent.com/topic/17782-bittorrent-sync-faq-unofficial/
Once you have BitTorrent Sync up and running, you will need to press the little cog icon in the top right corner, then press enter key
Copy and paste this key below into the text field: BPG3ATXNU7Q7O3J7H5DVU4H7TBVVXTQ52

It will ask you for a sync folder, point it to your Epoch Sync folder you just made and follow the rest of the steps and you will be downloading in no time.

At this time you should disable something before it overloads your hardrive, hover your mouse over the "Epoch Sync" folder and go to the right, you should see a button with three dots, click that and go to preferences,
then you'll want to un check "Store deleted files in folder archive", that should stop it bloading your hard drive.

Once your download is finished, you'll then want to copy the files over from the "Epoch Sync" folder into your @Epoch folder in your Arma 3 root directory.

These are the files that you'll want to copy over:
http://i.imgur.com/krAtAyA.png


Phew, you have made it this far. We are just about done!

Once you have copied those things over you can simply launch Arma 3, at the main menu click "Configure" and then "Expansions". Double click @Epoch mod and then click ok to enable it. It will then ask you to restart your game. Just click yes and the game will relaunch.

Now that you are back at the main menu click "Play"/"Multiplayer" Then click the Remote button and put this IP and port in the proper spots.

5.62.103.29
2302

Click ok once that information is entered and the server should pop up in the list. Double click it and put this password in.

epochtest1


Ok we are at the end. I know it looked like a lot but if you got through it with me you should be able to enjoy some murder and mayhem!