How to post on Instagram from the computer?

Do you want to post the post on Instagram from your desktop or laptop? As you log in to your Instagram using the computer browser, there is no plus sign button to post the post on Instagram. It will be quite easy to post the post on Instagram from the computer because we do all the editing and graphics of the image on our computer and to post it on Instagram if we have to move the image on our mobile device it will be quite a tedious process and image quality may also reduce which transferring the image.