1. Go to business.facebook.com → Business Settings → Users → System Users
2. Create/select a System User with Admin role
3. Add Assets → add all your Pages with Full Control
4. Generate Token → select app ID 2195488277945644 → grant pages_show_list, pages_read_engagement, pages_read_user_content, pages_manage_posts, instagram_basic, instagram_content_publish
Important: The token must include pages_manage_posts or publishing to Facebook will fail with: "(#200) The permission(s) publish_actions are not available."
1. Go to Graph API Explorer
2. Select your app → Generate User Token → grant same permissions
3. Copy and visit: fb-setup.php?token=PASTE_TOKEN_HERE