Instagram is primarily meant to be a mobile app and, if you can, you should use the Instagram app to upload photos.
Some users love to do everything on their computer or laptop, so here is a list of workarounds on how to post on Instagram from PC or Mac. Instagram doesn’t approve of using third party apps for upload so don’t be surprised if a solution stops working. I will try to keep this list up to date with only working apps.
If you don’t have an Instagram account you can signup on their website.
If you’re just having an issue getting photos to your iPhone or Android phone I recommend using Dropbox, AirDroid, or AirDrop to accomplish this task. Every photo I edit in Lightroom is exported to a Dropbox folder so I can easily post to Instagram with my phone. Read More