Download TADST and place the executable in the server directory as specified in step 3.This will verify the integrity of the downloaded server files.When it's done, it should say this: Success! App '233780' fully installed.This will download the Arma 3 server files to the directory as set with force_install_dir.A path may look like D:\Arma 3 Server - DO NOT add a trailing slash!.You will have to enter your password, as well as a 2FA code if you have that enabled.Enter the following commands (without ):.Run steamcmd.exe and let it download the necessary files.