Sharing a prototype without having user required to sign in to Figma

I was having the same issue, but I discovered what the problem is which is explained here:

https://help.figma.com/hc/en-us/articles/360040531773-Share-files-and-prototypes

So essentially you need to:

  1. Click the play button to open the prototype.
  2. Click the “Share Prototype” button.
  3. Click the “Copy link” button.
  4. You have a workable link to your prototype now.
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