Create (modify) an inno setup script to install drivers

Hello I am trying to create 1 SINGLE [login to view URL] (innosetup) file to install a PC sofwtare. Problem is: this sofwtares uses a signed driver : 1 32bits version and 1 64 bits version. After 3 days of searching, I got a clue from the driver developper: I guess that your installer is 32-bit, and you are trying to install the driver on 64-bit system. See the FAQ question: Q: Unable to programmatically install the driver from 32-bit process on Vista\7 x64. The driver is always saved to windows\SysWOW64\drivers instead of windows\system32\drivers and can't start. A: This is a feature of 64-bit Windows called "virtualization". It is applied to 32-bit applications. Windows redirects file system and registry calls to different locations, used as an alternate view of the standard folders and registry keys: [login to view URL] The following ways can be used to install the driver properly on x64: Call API function Wow64DisableWow64FsRedirection from 32-bit installer before saving the driver to windows\system32\drivers: [login to view URL](VS.85).aspx It is possible to do this using System plug-in in NSIS, and using direct API call in other installers. There is an InnoSetup function that can help to avoid issues on x64: [login to view URL] So the goal would be to create that setup that will workon both win3bits2 and win64bits All files are provided, innosetup is provided. Developer must know innosetup and 32/64bits problems when installing drivers