The Benefit of Offline Wordpress

One of the benefit of wordpress for me is wordpress can be made offline or without having to linked with internet.
how to be able bloging offline?
1. you must has computer
2. install server emulator at pc. server that support wordpress that support php 4. +, myself wear xampp version xammp-win32-1.4.6. it's free
3. install server emulator formerly at pc after has installer of course. run isntaller choose desirable language.