The archive doesn't have an ssl certificate, which means that it's an unsecured connection. Most modern web browsers and internet security suites freak out when this happens. You can often bypass their issues by confirming that you do actually want to proceed there, but it can take some wading through prompts.

I'm not sure how to help you if there are no prompts to wade through. Perhaps try a different browser?

Come hang out in the Discord server! Just make a Discord account and click this https://discord.gg/fv2bAVVUBQ to join. Discord can be a little intimidating, but we keep our server simple and are always happy to help people learn their way around!