Hi Guys in this tutorial i will tell you how you can change your facebook profile name if the limit is crossed 

You can See here i am unable to change facebook name, but i will tell you how to 

Change Facebook profile name in some steps:

• Open Up your facebook account. Must login
• Go Here

Actually this is a link where you can secure your facebook account but in security process there is a option to change profile name 

Change Facebook Profile name

•  After a box will appear change your password
• After this page will appear change your current name

Change Facebook Profile name

• After review click on continue and login to your account you can see your name will changed

Hope you like this tut plz share it with your friends