Here's a step-by-step guide on how to post a picture on Instagram:
1. Open the Instagram app and tap the + icon at the bottom of the screen.
2. Choose a photo or video from your library or shoot one in the app.
3. Crop the image, pick a filter, and edit your photo.
4. Type your caption and use hashtags for post optimization.
5. Finally, tap "Share" to post your photo.
I hope that helps! Let me know if you have any other questions.
