nav 2013 error

hi,

When i install nav 2013 setup on my computer, i got following error:

Microsoft Dynamics NAV Build 33781
Error Report
Setup Components
The component was rolled back.
Microsoft .NET Framework 4.5
Microsoft .NET Framework 4.5
Package failed to install.
Microsoft SQL Server 2012 Express
Microsoft SQL Server 2012 - Express
Not installed because of missing prerequisites.
A 64-bit edition of Windows is required to run this configuration.
This version of Windows is not supported by SQL Server 2012 Express.
SQL Server Database Components
Cronus Sample Database for Microsoft Dynamics NAV
Not installed because of missing prerequisites.
A 64-bit edition of Windows is required to run this configuration.

Please advice me what to do…

Which Operating system are you using?

I guess you are using 32 bit OS.

Microsoft Dynamics NAV Server only runs on 64-bit editions

On Windows Xp…

Please go through system requirements once

http://msdn.microsoft.com/en-us/library/dd301054(v=nav.70).aspx

Thanks Mohana…

Acc to the specification, i have to upgrade my system from 32 bit to 64 bit OR

have to upgrade from XP to windows 7 or 8.