How to download, live USB of Pure OS?

Is there a download to create a live version of Pure OS to directly install on USB memory stick?

I read that the Purism store sells a live version of the Pure OS which also seems hooked to verifying with Librem Key.

So that might require two different downloads. One to attempt to start a Live Pure OS on any computer which will accept Pure.

And the one which requires the Librem Key to be used first.

Or is an accommodation made for the same USB to do either.

Have you already seen this?

You are right. Last time I fooled with the Purism, I thought it was install only.

Oh wait. I can not save data, passwords to the test Pure OS on USB. I should look at it more carefully. Probably there, I just missed that.