Ultimate Graphic improvement mod for ARMA 2: Operation Arrowhead

Heads-up

first of all, You must be aware that Battleye will not allow you to use reshade (using it with battleye will not result in a ban, it's just block reshade from working) so basically you can't play with reshade on multiplayer server with battleye.

How to Install

Download the preset (arma2_final.ini) and install Reshade from official website link . open up Reshade setup and select ArmA2OA.exe then click Next

ignore the next window and click Next again till you get to see this picture

check the following repositories :

1. FXShaders by luluco250

2. Legacy effects

3. SweetFX by CeeJay.dk (if it already isn't checked)

4. Standard effects

and click Next and to download effects. place arma2_final.ini in arma 2 OA directory where .exe is located. launch Arma 2OA without battleye

wait for Reshade to compile effects and press Home key on keyboard to pop up reshade overlay. Skip the tutorial and click on the bar in which entitled with "ReshadePreset", in drop-down select arma2_final.ini as shown in picture below.

click Select to comply the effects. And that's it enjoy :)

to uninstall reshade preset in a case you didn't like it, open reshade setup again, select ArmA2OA.exe and follow the instructions.