How can I install xdebug?

[SanjayRathod7]

Hi guys...
I want to install xdebug for profiling and debugging php application. But something i miss so that phpinfo file not shows xdebug.some basic info about my php confihuration
PHP Version 5.4.7
Apache 2.4

what steps i have followed: i have download latest version of xdebug.dll and move this file to the folder C:\xampp\php\ext
now i have edit php.ini file add below code to it

[XDebug]
zend_extension = "C:\xampp\php\ext"
xdebug.remote_enable=1
xdebug.remote_handler=dbgp
xdebug.remote_host=127.0.0.1
xdebug.remote_port=9000
xdebug.remote_mode=req
xdebug.idekey=xdebug
xdebug.remote_log="c:\tmp\xdebug\xdebug.log"
xdebug.show_exception_trace=0
xdebug.show_local_vars=9
xdebug.show_mem_delta=0
xdebug.trace_format=0
xdebug.profiler_enable = 1
xdebug.profiler_output_dir ="c:\tmp\xdebug"

so can anyone have help me where is the problem?