To create a story, tap the camera icon at the top left of your feed. Capture a photo or video, apply effects, then tap 'Your Story' to share it with your followers.

Instagram Highlights are collections of your stories saved to your profile. To create one, go to your profile, tap the '+' under 'Highlights', select stories, and tap 'Next' to create a cover.

You can like, comment on posts, and send direct messages. To comment, tap the speech bubble under a post, type your message, and hit 'Send' to engage with others.

To start a live video: 1. Tap the camera icon at the top left. 2. Select 'Live' from the options available. 3. Tap the 'Live' button to start broadcasting. 4. Interact with viewers through comments.

To organize posts into grids, plan your content layout. Use consistent themes or colors for a cohesive look. You can use Apps like 'Planoly' to visualize how your profile will appear before posting.