How to detect windows 32bit or 64 bit using NSIS script?

nsis

Solution

Use the RunningX64 macro in the x64.nsh header:

!include LogicLib.nsh
!include x64.nsh

Section
${If} ${RunningX64}
    DetailPrint "64-bit Windows"
${Else}
    DetailPrint "32-bit Windows"
${EndIf}  
SectionEnd

Problem

I have written nsis script for java project.I have Batch file in my project.I have written batch file for commonly windows 32bit and 64 bit.After installing i have started batch file automatically using Exec command.Its woks fine in 32bit windows.but the same time this is not worked well in 64 bit.so i suspect that before installing i should check whether windows is 32 bit or 64 bit version.please share your views how to check?

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