chk ur computer for 32/64 bit OS

You can use the following registry location to check if computer is running 32 or 64 bit of Windows Operating System:
 
HKLM\HARDWARE\DESCRIPTION\System\CentralProcessor\0
 
You will see the following registry entries in the right pane:
 
Identifier         REG_SZ                     x86 Family 6 Model 14 Stepping 12
Platform ID    REG_DWORD          0x00000020(32)
 
The above “x86” and “0x00000020(32)” indicate that the Operating System version is 32 bit. 
 
You can also a simple batch file to check the setting on remote computer:
 
*** Start ***
 
@echo off
 
Set RegQry=HKLM\Hardware\Description\System\CentralProcessor\0
 
REG.exe Query %RegQry% > checkOS.txt
 
Find /i "x86" < CheckOS.txt > StringCheck.txt
 
If %ERRORLEVEL% == 0 (
    Echo "This is 32 Bit Operating system"
) ELSE (
    Echo "This is 64 Bit Operating System"
)
 
*** End ***