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Editorial Team
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Asked: 2026-06-18T02:47:28+00:00

How I can use inno script language to detect the user country, where he

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How I can use inno script language to detect the user country, where he is present, based on the time zone settings of PC.

I simply need to know if user is from USA or outside USA.

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  1. Editorial Team

    I wouldn’t rely on time zone settings, but on geographical location instead. For list of values returned by the GetUserGeoID function see the Table of Geographical Locations:

    [Setup]
AppName=My Program
AppVersion=1.5
DefaultDirName={pf}\My Program
OutputDir=userdocs:Inno Setup Examples Output

[Code]
const
  GEOCLASS_NATION = 16;
  GEOID_UNITED_STATES = $F4;
type
  GEOID = Longint;
  GEOCLASS = DWORD;

function GetUserGeoID(GeoClass: GEOCLASS): GEOID;
  external 'GetUserGeoID@kernel32.dll stdcall';

function IsGeoLocationUSA: Boolean;
begin
  Result := GetUserGeoID(GEOCLASS_NATION) = GEOID_UNITED_STATES;
end;

function InitializeSetup: Boolean;
begin
  if IsGeoLocationUSA then
    MsgBox('Geographical location U.S.A.', mbInformation, MB_OK)
  else
    MsgBox('Geographical location other than U.S.A.', mbInformation, MB_OK);
end;

    Forgot to notice, that the minimum supported client OS for this function is Windows XP. For those, who don’t know, where this setting comes from, is here a picture of the Region and Language control panel applet from Windows 7. Geographical location checked in the above function, can be configured there:

    enter image description here

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