Take on helicopters

[pakrat2k2]

install from your dvd9, using your serial #.

Then goto regedit, goto if USING W7X64 otherwise remove the Wow6432Node part

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Bohemia Interactive Studio\Take On Helicopters]

there will be a [KEY] right click on the key modify data and copy the hex values there. Then REPLACE the AA,BB,CC,DD,EE,FF,00,11,22,33,44,55,66,77,89 in the ISS script with what you just copied from your serial # ( hex values ).