Thanks again Argv0, following your advice everything went successfully.
How it works ...
alias version_x {
if ($1 = version) {
if ((7 isin $wmiget(Win32_OperatingSystem).Caption)) { return Windows 7 Ultimate $wmiget(Win32_OperatingSystem).Caption }
if ((8 isin $wmiget(Win32_OperatingSystem).Caption)) { return Windows 8 Pro $wmiget(Win32_OperatingSystem).Caption }
else { return $wmiget(Win32_OperatingSystem).Caption }
}
}
; Button that will appear in the version of Windows 7
if ($xdialog(start, 491).isid != $true) && ((7 isin $wmiget(Win32_OperatingSystem).Caption)) {
;// Initialising control:Aero7Tuner (Button 491)
But even the solution gbz it would not be bad LoL