Else if you did create apps or registered as developer before then start from step-3 -
Note that facebook changes design and appearances occasionally, so if they do so you may not find exact
match with the following steps but anyway everything will be quite similar
step-1: go to this link - https://developers.facebook.com/apps
step-2: click "Register as a Developer/register now" button.A popup will appear.When there check
the policy acceptance check box and click continue to go further.In the next step you will be asked to verify your account
by entering mobile phone number, enter mobile number and verify then and clicking continue buttons complete remaining
steps by entering compulsory inputs.
step-3: If you completed step-2, you will see a "developer" section there at left side in home page of your facebook account.
click developer link or https://developers.facebook.com/apps to go to your apps page. there you will be seeing your created
apps listed, click 'Create a new app' button which is under "Apps" menu item dropdown (Apps->Create a New App).
A popup will come up, there Enter display name(app name) and category only and leave other fields blank, then click "create app".
Next you will be prompted to enter captcha as security check and if you complete this, app creation is complete and you will
see that application's dashboard page as shown in the image with this post.this page also reachable from your account's home page
under developer section by clicking on that app.
At last, you need to make your app live so that it is accessible from around the world.To do that click "Status & Review" link from left
hand menu of the app.After that chose "Yes" option for field says - "Do you want to make this app and all its live features
available to the general public?" then confirm to make your app live and public.
Hope that helps, don't forget to share and like, for further query post on discussions/forum
