We'll get straight to the point:

You can play Arma 3 for FREE on Steam until this Sunday, January 19th (10 AM PST). You simply need to visit the Arma 3 store page on Steam, and fire your mouse left-click at the green "Install" button.

To continue playing Arma 3 after the Free Week has ended, you can take advantage of a massive 70% discount on the Arma 3 base game, and/or enjoy savings of up to 66% on Arma 3 DLC packs and expansions until January 20th. When purchasing the Arma 3 Ultimate Edition (complete-your-collection bundle), you will seize an additional 15% bundle discount on top.

During the Free Week, all Steam users will have free access to the Arma 3 base game plus the Arma 3 Apex expansion. This also includes Arma 3's full "The East Wind" singleplayer campaign and the "Apex Protocol" co-op campaign. If you're new to the game, you might also want familiarize yourself with the game's controls via the "Prologue" tutorial campaign.

Here's the full list of discounts (January 14-20):

• Arma 3 (base game) – 70% OFF
• Arma 3 Apex – 66% OFF
• Arma 3 Helicopters – 66% OFF
• Arma 3 Marksmen – 66% OFF
• Arma 3 Jets – 66% OFF
• Arma 3 Laws of War – 66% OFF
• Arma 3 Tac-Ops Mission Pack – 66% OFF
• Arma 3 Tanks – 66% OFF
• Arma 3 Creator DLC: Global Mobilization – 33% OFF
• Arma 3 Contact – 25% OFF
• Arma 3 Karts – 66% OFF

Have a great week!

Bohemia Interactive