How to Post on Instagram in 2026 (Phone & Computer Guide)
How to post on Instagram in 2026 from your phone or computer: step-by-step photo, carousel, Reel, and Story posting, plus captions, timing, and scheduling.
Posting on Instagram is simple once you know the steps: tap the +, pick your photo or video, edit it, write a caption, and share. But if you're posting for a business, a few extra choices — the format, the caption, the timing — turn a basic post into one that reaches new customers. Here's how to post on Instagram in 2026, from your phone or computer, the right way.
TL;DR. To post on Instagram: tap the + button, select a photo/video (or multiple for a carousel), edit and add filters, write a caption with a call-to-action, add a location and 3–5 hashtags, then Share. You can post from the app or a computer (via web or Meta Business Suite), and you can schedule posts to publish automatically at the best time.
How to post a photo on Instagram (step by step)
- Tap the + at the top, then choose Post.
- Select one photo, or tap the layered icon to pick multiple (a carousel).
- Choose your size — 4:5 portrait shows largest in feed.
- Edit: apply a filter, adjust brightness, crop.
- Tap Next, write a caption with a CTA.
- Add a location, tag accounts, and 3–5 hashtags.
- Tap Share.
For the best dimensions per format, see our Instagram image size guide.
How do I post on Instagram from a computer?
You can post from a desktop two ways:
- Instagram.com — click the + (Create) in the top bar, upload, edit, and share.
- Meta Business Suite — create and schedule posts and Reels for free (best for businesses).
What types of posts can I make?
- Single photo/video — quick updates, offers, announcements.
- Carousel — multiple slides; great for saves (see how to make a carousel).
- Reel — short video for reach (see how to post Reels).
- Story — 24-hour posts for daily engagement.
How do I write a good caption?
Lead with a hook in the first line, add value or personality, and end with one clear call-to-action. Full guidance in good Instagram captions.
When should I post for the most reach?
Post when your audience is active — for most U.S. small businesses that's weekday lunch and evenings. The full breakdown by day and format is in our best time to post on Instagram guide.
Can I schedule posts instead of doing it live?
Yes — and you should, to stay consistent. Schedule a week or month at once with Meta Business Suite or a third-party tool. See how to schedule Instagram posts.
Post consistently without the daily effort
Knowing how to post is easy; posting consistently while running a business is the real challenge. WowPostio AI creates your posts and Reels, writes the captions in your brand voice, and publishes them at the best times through the official Instagram API — so your account stays active even on your busiest weeks.
Frequently asked questions
How do I post on Instagram?
Tap the + button and choose Post, select a photo or video (or multiple for a carousel), edit and choose a size, tap Next, write a caption with a call-to-action, add a location and 3–5 hashtags, then tap Share.
How do I post on Instagram from a computer?
You can post from Instagram.com by clicking the + (Create) button in the top bar, or use Meta Business Suite on desktop to create and schedule posts and Reels for free — the better option for businesses.
What size should an Instagram post be?
Use 1080 × 1350 pixels (4:5 portrait) for feed posts to take up the most screen space, or 1080 × 1080 (square). Reels and Stories use vertical 1080 × 1920 (9:16).
Can I schedule Instagram posts in advance?
Yes. You can schedule posts and Reels for free with Meta Business Suite or with a third-party tool that uses the official API, which helps you post consistently without doing it live each day.