First, go to Setting then click on General Account Setting and click on Edit Name then confirm that this limit is present or not.
If the name limit is present, you can not click On name. and their should be a note on the name change limit, which are: –
"You can not change your name at the moment because you have already changed
in the last 60 days" [19659002ConfirmingthelimitIfyouwanttocontinuethenamechangefollowthestepsbelow
👉First follow this link 🌐 m.facebook.com/hacked
👉 Then click the Continue button, you can not click on your name.
👉 Click the Continue button.
👉After that, change the password but no need to change other information (Email, Mobile, etc.)
You can not repeat the same passwords either. Never used on Facebook to connect
👉After clicking Next they will show that you have recently changed the name of your account.
then all previously used names will show you used previously and select one of the available names there.
👉 You should now finish your detail after that.
Note * You can also use this procedure when you want to change your facebook password after your account has been hacked