Hoe to upgrade to windows 8 build 9200 from 8400

[thilak suresh]

please say me that can we upgrade from build 8400 to 9200 in windows 8.........
if yes plzzz plzzz say me how...

 

[ksiemb]

please say me that can we upgrade from build 8400 to 9200 in windows 8.........
if yes plzzz plzzz say me how...

Read up on it. (Links not verified !)
http://www.bing.com/search?q=win8+upgrade+from+build+8400+to+9200&form=MOZSBR&pc=MOZI