There is also another method when your project is hosted on Axshare, you can use this site https://bitly.com/ which allows to shorten the long links to host your prototype.
After hosting your prototype on Axhare, all you have to do is launch the link generated by Axshare of your prototype on your browser and after adjusting the scale of your prototype on the screen and closing the Axure bar, you do not have to you just have to copy the link of your prototype which will be generated automatically.
Then you can now use your new link on
https://bitly.com/; This link will keep the same configurations and proportions and also updates your prototype on any computer without seeing the Axure bar at the top.