Publish a photo to an Instagram Business account.
First need to open facebook developers account by below link:
https://developers.facebook.com/apps/
open facebook developers account and follow below steps:
Step 1:
Click Create App button to create new Apps.

Step 2:
write your app name and click next.

Step 3:
Choose others field and click next.

Step 4:
Choose Business field and click next.

Step 5:
Business Portfolio is a optional field, you can set empty this field. Click to create app.

Step 6:
Click set up button to install instagram

Step 7:
Click App roles -> Roles -> Add People button. Choose instagram Tester add a facebook developer account then click add button.

Step 8:
Instagram tester added but it need to allow from instagram account.

Step 9:
Go to instagram account and click more -> settings menu.

Step 10:
Scroll below and find out App Website Permissions and click this menu then show apps and websites tab. Then show tester/invites accept invite.

Step 11:
if you tester/invites accept invite then show roles active.

Step 12:
Click Instagram -> API setup with Instagram login menu, then click Add account button and add your instagram account.

Step 13:
Click Add account button and add your instagram account.

Step 14:
If successfully added instagram account, then showing Instagram Account ID and Generate Token, You can generate access token.

Step 15:
Add instagram from wpbot automator menu by following below instractions.

Step 16:
Set Instagram Account ID and Generate Token and other settings

Thanks
