Originally Posted by
Lukieboiz
1.locate your arma 2 oa folder and check if there a folder called scr, if there is delete it and replace with the scr giving in the trial, but if there isnt put the scr from the trial into your arma oa root folder
2. run Install or Reset Scripts (W7) or Install or Reset Scripts (xp) depending your os
3.launch the folder as admin (it should already set as always launch in admin) and click inject
4.launch arma 2 oa either through steam or commander (or w.e) and join a server
5.this is the most important part, hold ~ key and tap esc TWICE then a box should appear
6.tap tab to open the menu, you will see nothing because it's a trial so hit esc and boom
7.pick your choice and start hacking
Found this guide on the bypass's forums, doing what it says now and ill report back if it works or not.