The following code:
Unfortunately you can’t. Instagram is only for jpgs and videos.
I have used my iPad and smart phone screen recording tool though. If you record your screen actions as you navigate a virtual tour you can upload that 30 sec video to Instagram. Other than that you can only put the tour link into the home/bio page of instagram. Good luck.
Thank you Julie!
You can also take a screenshot and post it. Then use the promote button to promote the URL to the tour. Simple I get a incredible bang for the buck advertising this way