Problems Updating Heroes 4

[Uncle Rico]

Please I realy need help here..
the dev. release for hereos was UK version
so all the updates was out fine for the uk ver..
but now with thier release of the gathering storm they release it in the US version..
so i realy dont know.. what do i need to do ? to install that or not ? and it want occur problems at the future ?
i now want to install a fresh heroes 4.. i have a the updates
1.3-uk 2.0-uk 2.2-uk and the updates for the Gathering storm expansion 2.2-US version. so how do i do all that in the right order ? do i need to install the pathces before i install the expansion ?
please tell me the exact order how i install all that..