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Steam is a video game distribution platform that hosts, sometimes exclusively, Bohemia Interactive games such as Arma 3, Take On Helicopters and Arma Reforger.

Available Bohemia Interactive Games


Verify Game Files

In the event of a game issue, it is sometimes recommended to make Steam verify the game files:

  • right-click on the game in the Steam list
  • select "Properties"
  • click on "Local Files"
  • press "Verify integrity of game files"

Steam will now verify and repair modified files. This will not erase any personal files; game progress, controls and other configurations will remain unchanged.

Move Arma 3 Workshop Items

Mods in Arma 3 can often take a lot of space, and storage capacity can quickly be overwhelmed. In order to circumvent this issue, it is possible to change the mods storage location.
A Symbolic link (also known as Symlink) can make this happen, making the game see data from another location in the directory it expects.

  1. Locate the Workshop directory, in which the 107410 directory (which has the entire Arma 3 related Workshop items) is present.
    Usually C:\Program Files (x86)\Steam\steamapps\workshop\content or if SteamLibrary is installed on another drive (e.g D:), D:\SteamLibrary\steamapps\workshop\content.
  2. Copy the 107410 directory to its new location (e.g E:\NewArma3WorkshopDirectory)
  3. Rename the <workshop directory>\107410 source directory to make a backup and ensure it is not used accidentally(e.g 107410_backup)
  4. Open Command Prompt in Administrator mode (Windows Search > type "cmd", right-click > "Run as Administrator")
  5. Enter this command: mklink /d target source, where:
    • target is the original 107410 location, e.g C:\Program Files (x86)\Steam\steamapps\workshop\content\107410
    • source is the actual data directory, e.g E:\NewArma3WorkshopDirectory
  6. Press Enter ↵ to run the command, here mklink /d "C:\Program Files (x86)\Steam\steamapps\workshop\content\107410" "E:\NewArma3WorkshopDirectory"
  7. This is it! There is nothing else to configure and nothing to change Launcher-wise. Start the game to make sure it recognizes the items properly.
  8. If everything went well, the backup can be safely deleted (C:\Program Files (x86)\Steam\steamapps\workshop\content\107410_backup).
To delete a symbolic link, simply delete the target directory from Windows Explorer (here C:\Program Files (x86)\Steam\steamapps\workshop\content\107410 > right-click > delete).
See also How-To Geek tutorial.