Hey everybody,
I've been tasked with evaluating the cloud offering for Confluence from Atlassian.
We currently run Confluence 6.15.4 on-site on a Ubuntu Linux server VM with a 25 user license.
I've already activated the extended cloud trial at my.atlassian.com.
However, when I navigate to the cloud migration assistant, I'm treated to this warning:

When I click on "Download the update", I see this:

At this point, I'm unsure how to proceed.
I'd be grateful for any help!
Thanks in advance,
Dominik